Annotation of loncom/interface/loncommon.pm, revision 1.603
1.10 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # a pile of common routines
1.10 albertel 3: #
1.603 ! albertel 4: # $Id: loncommon.pm,v 1.602 2007/10/31 01:37:29 albertel Exp $
1.10 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.1 albertel 28:
29: # Makes a table out of the previous attempts
1.2 albertel 30: # Inputs result_from_symbread, user, domain, course_id
1.16 harris41 31: # Reads in non-network-related .tab files
1.1 albertel 32:
1.35 matthew 33: # POD header:
34:
1.45 matthew 35: =pod
36:
1.35 matthew 37: =head1 NAME
38:
39: Apache::loncommon - pile of common routines
40:
41: =head1 SYNOPSIS
42:
1.112 bowersj2 43: Common routines for manipulating connections, student answers,
44: domains, common Javascript fragments, etc.
1.35 matthew 45:
1.112 bowersj2 46: =head1 OVERVIEW
1.35 matthew 47:
1.112 bowersj2 48: A collection of commonly used subroutines that don't have a natural
49: home anywhere else. This collection helps remove
1.35 matthew 50: redundancy from other modules and increase efficiency of memory usage.
51:
52: =cut
53:
54: # End of POD header
1.1 albertel 55: package Apache::loncommon;
56:
57: use strict;
1.258 albertel 58: use Apache::lonnet;
1.46 matthew 59: use GDBM_File;
1.51 www 60: use POSIX qw(strftime mktime);
1.82 www 61: use Apache::lonmenu();
1.498 albertel 62: use Apache::lonenc();
1.117 www 63: use Apache::lonlocal;
1.139 matthew 64: use HTML::Entities;
1.334 albertel 65: use Apache::lonhtmlcommon();
66: use Apache::loncoursedata();
1.344 albertel 67: use Apache::lontexconvert();
1.444 albertel 68: use Apache::lonclonecourse();
1.479 albertel 69: use LONCAPA qw(:DEFAULT :match);
1.117 www 70:
1.517 raeburn 71: # ---------------------------------------------- Designs
72: use vars qw(%defaultdesign);
73:
1.22 www 74: my $readit;
75:
1.517 raeburn 76:
1.157 matthew 77: ##
78: ## Global Variables
79: ##
1.46 matthew 80:
1.20 www 81: # ----------------------------------------------- Filetypes/Languages/Copyright
1.12 harris41 82: my %language;
1.124 www 83: my %supported_language;
1.12 harris41 84: my %cprtag;
1.192 taceyjo1 85: my %scprtag;
1.351 www 86: my %fe; my %fd; my %fm;
1.41 ng 87: my %category_extensions;
1.12 harris41 88:
1.46 matthew 89: # ---------------------------------------------- Thesaurus variables
1.144 matthew 90: #
91: # %Keywords:
92: # A hash used by &keyword to determine if a word is considered a keyword.
93: # $thesaurus_db_file
94: # Scalar containing the full path to the thesaurus database.
1.46 matthew 95:
96: my %Keywords;
97: my $thesaurus_db_file;
98:
1.144 matthew 99: #
100: # Initialize values from language.tab, copyright.tab, filetypes.tab,
101: # thesaurus.tab, and filecategories.tab.
102: #
1.18 www 103: BEGIN {
1.46 matthew 104: # Variable initialization
105: $thesaurus_db_file = $Apache::lonnet::perlvar{'lonTabDir'}."/thesaurus.db";
106: #
1.22 www 107: unless ($readit) {
1.12 harris41 108: # ------------------------------------------------------------------- languages
109: {
1.158 raeburn 110: my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}.
111: '/language.tab';
112: if ( open(my $fh,"<$langtabfile") ) {
1.356 albertel 113: while (my $line = <$fh>) {
114: next if ($line=~/^\#/);
115: chomp($line);
116: my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$line));
1.158 raeburn 117: $language{$key}=$val.' - '.$enc;
118: if ($sup) {
119: $supported_language{$key}=$sup;
120: }
121: }
122: close($fh);
123: }
1.12 harris41 124: }
125: # ------------------------------------------------------------------ copyrights
126: {
1.158 raeburn 127: my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
128: '/copyright.tab';
129: if ( open (my $fh,"<$copyrightfile") ) {
1.356 albertel 130: while (my $line = <$fh>) {
131: next if ($line=~/^\#/);
132: chomp($line);
133: my ($key,$val)=(split(/\s+/,$line,2));
1.158 raeburn 134: $cprtag{$key}=$val;
135: }
136: close($fh);
137: }
1.12 harris41 138: }
1.351 www 139: # ----------------------------------------------------------- source copyrights
1.192 taceyjo1 140: {
141: my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
142: '/source_copyright.tab';
143: if ( open (my $fh,"<$sourcecopyrightfile") ) {
1.356 albertel 144: while (my $line = <$fh>) {
145: next if ($line =~ /^\#/);
146: chomp($line);
147: my ($key,$val)=(split(/\s+/,$line,2));
1.192 taceyjo1 148: $scprtag{$key}=$val;
149: }
150: close($fh);
151: }
152: }
1.63 www 153:
1.517 raeburn 154: # -------------------------------------------------------------- default domain designs
1.63 www 155: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
1.517 raeburn 156: my $designfile = $designdir.'/default.tab';
157: if ( open (my $fh,"<$designfile") ) {
158: while (my $line = <$fh>) {
159: next if ($line =~ /^\#/);
160: chomp($line);
161: my ($key,$val)=(split(/\=/,$line));
162: if ($val) { $defaultdesign{$key}=$val; }
163: }
164: close($fh);
1.63 www 165: }
166:
1.15 harris41 167: # ------------------------------------------------------------- file categories
168: {
1.158 raeburn 169: my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}.
170: '/filecategories.tab';
171: if ( open (my $fh,"<$categoryfile") ) {
1.356 albertel 172: while (my $line = <$fh>) {
173: next if ($line =~ /^\#/);
174: chomp($line);
175: my ($extension,$category)=(split(/\s+/,$line,2));
1.158 raeburn 176: push @{$category_extensions{lc($category)}},$extension;
177: }
178: close($fh);
179: }
180:
1.15 harris41 181: }
1.12 harris41 182: # ------------------------------------------------------------------ file types
183: {
1.158 raeburn 184: my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}.
185: '/filetypes.tab';
186: if ( open (my $fh,"<$typesfile") ) {
1.356 albertel 187: while (my $line = <$fh>) {
188: next if ($line =~ /^\#/);
189: chomp($line);
190: my ($ending,$emb,$mime,$descr)=split(/\s+/,$line,4);
1.158 raeburn 191: if ($descr ne '') {
192: $fe{$ending}=lc($emb);
193: $fd{$ending}=$descr;
1.351 www 194: if ($mime ne 'unk') { $fm{$ending}=$mime; }
1.158 raeburn 195: }
196: }
197: close($fh);
198: }
1.12 harris41 199: }
1.22 www 200: &Apache::lonnet::logthis(
1.46 matthew 201: "<font color=yellow>INFO: Read file types</font>");
1.22 www 202: $readit=1;
1.46 matthew 203: } # end of unless($readit)
1.32 matthew 204:
205: }
1.112 bowersj2 206:
1.42 matthew 207: ###############################################################
208: ## HTML and Javascript Helper Functions ##
209: ###############################################################
210:
211: =pod
212:
1.112 bowersj2 213: =head1 HTML and Javascript Functions
1.42 matthew 214:
1.112 bowersj2 215: =over 4
216:
217: =item * browser_and_searcher_javascript ()
218:
219: X<browsing, javascript>X<searching, javascript>Returns a string
220: containing javascript with two functions, C<openbrowser> and
221: C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>
222: tags.
1.42 matthew 223:
1.112 bowersj2 224: =item * openbrowser(formname,elementname,only,omit) [javascript]
1.42 matthew 225:
226: inputs: formname, elementname, only, omit
227:
228: formname and elementname indicate the name of the html form and name of
229: the element that the results of the browsing selection are to be placed in.
230:
231: Specifying 'only' will restrict the browser to displaying only files
1.185 www 232: with the given extension. Can be a comma separated list.
1.42 matthew 233:
234: Specifying 'omit' will restrict the browser to NOT displaying files
1.185 www 235: with the given extension. Can be a comma separated list.
1.42 matthew 236:
1.112 bowersj2 237: =item * opensearcher(formname, elementname) [javascript]
1.42 matthew 238:
239: Inputs: formname, elementname
240:
241: formname and elementname specify the name of the html form and the name
242: of the element the selection from the search results will be placed in.
1.542 raeburn 243:
1.42 matthew 244: =cut
245:
246: sub browser_and_searcher_javascript {
1.199 albertel 247: my ($mode)=@_;
248: if (!defined($mode)) { $mode='edit'; }
1.453 albertel 249: my $resurl=&escape_single(&lastresurl());
1.42 matthew 250: return <<END;
1.219 albertel 251: // <!-- BEGIN LON-CAPA Internal
1.50 matthew 252: var editbrowser = null;
1.135 albertel 253: function openbrowser(formname,elementname,only,omit,titleelement) {
1.170 www 254: var url = '$resurl/?';
1.42 matthew 255: if (editbrowser == null) {
256: url += 'launch=1&';
257: }
258: url += 'catalogmode=interactive&';
1.199 albertel 259: url += 'mode=$mode&';
1.42 matthew 260: url += 'form=' + formname + '&';
261: if (only != null) {
262: url += 'only=' + only + '&';
1.217 albertel 263: } else {
264: url += 'only=&';
265: }
1.42 matthew 266: if (omit != null) {
267: url += 'omit=' + omit + '&';
1.217 albertel 268: } else {
269: url += 'omit=&';
270: }
1.135 albertel 271: if (titleelement != null) {
272: url += 'titleelement=' + titleelement + '&';
1.217 albertel 273: } else {
274: url += 'titleelement=&';
275: }
1.42 matthew 276: url += 'element=' + elementname + '';
277: var title = 'Browser';
1.435 albertel 278: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 279: options += ',width=700,height=600';
280: editbrowser = open(url,title,options,'1');
281: editbrowser.focus();
282: }
283: var editsearcher;
1.135 albertel 284: function opensearcher(formname,elementname,titleelement) {
1.42 matthew 285: var url = '/adm/searchcat?';
286: if (editsearcher == null) {
287: url += 'launch=1&';
288: }
289: url += 'catalogmode=interactive&';
1.199 albertel 290: url += 'mode=$mode&';
1.42 matthew 291: url += 'form=' + formname + '&';
1.135 albertel 292: if (titleelement != null) {
293: url += 'titleelement=' + titleelement + '&';
1.217 albertel 294: } else {
295: url += 'titleelement=&';
296: }
1.42 matthew 297: url += 'element=' + elementname + '';
298: var title = 'Search';
1.435 albertel 299: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 300: options += ',width=700,height=600';
301: editsearcher = open(url,title,options,'1');
302: editsearcher.focus();
303: }
1.219 albertel 304: // END LON-CAPA Internal -->
1.42 matthew 305: END
1.170 www 306: }
307:
308: sub lastresurl {
1.258 albertel 309: if ($env{'environment.lastresurl'}) {
310: return $env{'environment.lastresurl'}
1.170 www 311: } else {
312: return '/res';
313: }
314: }
315:
316: sub storeresurl {
317: my $resurl=&Apache::lonnet::clutter(shift);
318: unless ($resurl=~/^\/res/) { return 0; }
319: $resurl=~s/\/$//;
320: &Apache::lonnet::put('environment',{'lastresurl' => $resurl});
321: &Apache::lonnet::appenv('environment.lastresurl' => $resurl);
322: return 1;
1.42 matthew 323: }
324:
1.74 www 325: sub studentbrowser_javascript {
1.111 www 326: unless (
1.258 albertel 327: (($env{'request.course.id'}) &&
1.302 albertel 328: (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
329: || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
330: '/'.$env{'request.course.sec'})
331: ))
1.258 albertel 332: || ($env{'request.role'}=~/^(au|dc|su)/)
1.111 www 333: ) { return ''; }
1.74 www 334: return (<<'ENDSTDBRW');
335: <script type="text/javascript" language="Javascript" >
336: var stdeditbrowser;
1.558 albertel 337: function openstdbrowser(formname,uname,udom,roleflag,ignorefilter) {
1.74 www 338: var url = '/adm/pickstudent?';
339: var filter;
1.558 albertel 340: if (!ignorefilter) {
341: eval('filter=document.'+formname+'.'+uname+'.value;');
342: }
1.74 www 343: if (filter != null) {
344: if (filter != '') {
345: url += 'filter='+filter+'&';
346: }
347: }
348: url += 'form=' + formname + '&unameelement='+uname+
349: '&udomelement='+udom;
1.111 www 350: if (roleflag) { url+="&roles=1"; }
1.102 www 351: var title = 'Student_Browser';
1.74 www 352: var options = 'scrollbars=1,resizable=1,menubar=0';
353: options += ',width=700,height=600';
354: stdeditbrowser = open(url,title,options,'1');
355: stdeditbrowser.focus();
356: }
357: </script>
358: ENDSTDBRW
359: }
1.42 matthew 360:
1.74 www 361: sub selectstudent_link {
1.111 www 362: my ($form,$unameele,$udomele)=@_;
1.258 albertel 363: if ($env{'request.course.id'}) {
1.302 albertel 364: if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
365: && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
366: '/'.$env{'request.course.sec'})) {
1.111 www 367: return '';
368: }
369: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.558 albertel 370: '","'.$udomele.'","","1");'."'>".&mt('Select User')."</a>";
1.74 www 371: }
1.258 albertel 372: if ($env{'request.role'}=~/^(au|dc|su)/) {
1.111 www 373: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.119 www 374: '","'.$udomele.'",1);'."'>".&mt('Select User')."</a>";
1.111 www 375: }
376: return '';
1.91 www 377: }
378:
379: sub coursebrowser_javascript {
1.468 raeburn 380: my ($domainfilter,$sec_element,$formname)=@_;
1.377 raeburn 381: my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role');
1.468 raeburn 382: my $output = '
1.538 albertel 383: <script type="text/javascript">
1.468 raeburn 384: var stdeditbrowser;'."\n";
385: $output .= <<"ENDSTDBRW";
1.377 raeburn 386: function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,crstype) {
1.91 www 387: var url = '/adm/pickcourse?';
1.468 raeburn 388: var domainfilter = '';
389: var formid = getFormIdByName(formname);
390: if (formid > -1) {
391: var domid = getIndexByName(formid,udom);
392: if (domid > -1) {
393: if (document.forms[formid].elements[domid].type == 'select-one') {
394: domainfilter=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
395: }
396: if (document.forms[formid].elements[domid].type == 'hidden') {
397: domainfilter=document.forms[formid].elements[domid].value;
398: }
399: }
1.91 www 400: }
1.128 albertel 401: if (domainfilter != null) {
402: if (domainfilter != '') {
403: url += 'domainfilter='+domainfilter+'&';
404: }
405: }
1.91 www 406: url += 'form=' + formname + '&cnumelement='+uname+
1.187 albertel 407: '&cdomelement='+udom+
408: '&cnameelement='+desc;
1.468 raeburn 409: if (extra_element !=null && extra_element != '') {
1.594 raeburn 410: if (formname == 'rolechoice' || formname == 'studentform') {
1.468 raeburn 411: url += '&roleelement='+extra_element;
412: if (domainfilter == null || domainfilter == '') {
413: url += '&domainfilter='+extra_element;
414: }
1.234 raeburn 415: }
1.468 raeburn 416: else {
417: if (formname == 'portform') {
418: url += '&setroles='+extra_element;
419: }
420: }
1.230 raeburn 421: }
1.293 raeburn 422: if (multflag !=null && multflag != '') {
423: url += '&multiple='+multflag;
424: }
1.377 raeburn 425: if (crstype == 'Course/Group') {
426: if (formname == 'cu') {
427: crstype = document.cu.crstype.options[document.cu.crstype.selectedIndex].value;
428: if (crstype == "") {
429: alert("$crs_or_grp_alert");
430: return;
431: }
432: }
433: }
434: if (crstype !=null && crstype != '') {
435: url += '&type='+crstype;
436: }
1.102 www 437: var title = 'Course_Browser';
1.91 www 438: var options = 'scrollbars=1,resizable=1,menubar=0';
439: options += ',width=700,height=600';
440: stdeditbrowser = open(url,title,options,'1');
441: stdeditbrowser.focus();
442: }
1.468 raeburn 443:
444: function getFormIdByName(formname) {
445: for (var i=0;i<document.forms.length;i++) {
446: if (document.forms[i].name == formname) {
447: return i;
448: }
449: }
450: return -1;
451: }
452:
453: function getIndexByName(formid,item) {
454: for (var i=0;i<document.forms[formid].elements.length;i++) {
455: if (document.forms[formid].elements[i].name == item) {
456: return i;
457: }
458: }
459: return -1;
460: }
1.91 www 461: ENDSTDBRW
1.468 raeburn 462: if ($sec_element ne '') {
463: $output .= &setsec_javascript($sec_element,$formname);
464: }
465: $output .= '
466: </script>';
467: return $output;
468: }
469:
470: sub setsec_javascript {
471: my ($sec_element,$formname) = @_;
472: my $setsections = qq|
473: function setSect(sectionlist) {
474: var sectionsArray = sectionlist.split(",");
475: var numSections = sectionsArray.length;
476: document.$formname.$sec_element.length = 0;
477: if (numSections == 0) {
478: document.$formname.$sec_element.multiple=false;
479: document.$formname.$sec_element.size=1;
480: document.$formname.$sec_element.options[0] = new Option('No existing sections','',false,false)
481: } else {
482: if (numSections == 1) {
483: document.$formname.$sec_element.multiple=false;
484: document.$formname.$sec_element.size=1;
485: document.$formname.$sec_element.options[0] = new Option('Select','',true,true);
486: document.$formname.$sec_element.options[1] = new Option('No section','',false,false)
487: document.$formname.$sec_element.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
488: } else {
489: for (var i=0; i<numSections; i++) {
490: document.$formname.$sec_element.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
491: }
492: document.$formname.$sec_element.multiple=true
493: if (numSections < 3) {
494: document.$formname.$sec_element.size=numSections;
495: } else {
496: document.$formname.$sec_element.size=3;
497: }
498: document.$formname.$sec_element.options[0].selected = false
499: }
500: }
1.91 www 501: }
1.468 raeburn 502: |;
503: return $setsections;
504: }
505:
1.91 www 506:
507: sub selectcourse_link {
1.377 raeburn 508: my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_;
1.492 albertel 509: return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
510: '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";
1.74 www 511: }
1.42 matthew 512:
1.273 raeburn 513: sub check_uncheck_jscript {
514: my $jscript = <<"ENDSCRT";
515: function checkAll(field) {
516: if (field.length > 0) {
517: for (i = 0; i < field.length; i++) {
518: field[i].checked = true ;
519: }
520: } else {
521: field.checked = true
522: }
523: }
524:
525: function uncheckAll(field) {
526: if (field.length > 0) {
527: for (i = 0; i < field.length; i++) {
528: field[i].checked = false ;
1.543 albertel 529: }
530: } else {
1.273 raeburn 531: field.checked = false ;
532: }
533: }
534: ENDSCRT
535: return $jscript;
536: }
537:
538:
1.42 matthew 539: =pod
1.36 matthew 540:
1.112 bowersj2 541: =item * linked_select_forms(...)
1.36 matthew 542:
543: linked_select_forms returns a string containing a <script></script> block
544: and html for two <select> menus. The select menus will be linked in that
545: changing the value of the first menu will result in new values being placed
546: in the second menu. The values in the select menu will appear in alphabetical
547: order.
548:
549: linked_select_forms takes the following ordered inputs:
550:
551: =over 4
552:
1.112 bowersj2 553: =item * $formname, the name of the <form> tag
1.36 matthew 554:
1.112 bowersj2 555: =item * $middletext, the text which appears between the <select> tags
1.36 matthew 556:
1.112 bowersj2 557: =item * $firstdefault, the default value for the first menu
1.36 matthew 558:
1.112 bowersj2 559: =item * $firstselectname, the name of the first <select> tag
1.36 matthew 560:
1.112 bowersj2 561: =item * $secondselectname, the name of the second <select> tag
1.36 matthew 562:
1.112 bowersj2 563: =item * $hashref, a reference to a hash containing the data for the menus.
1.36 matthew 564:
1.41 ng 565: =back
566:
1.36 matthew 567: Below is an example of such a hash. Only the 'text', 'default', and
568: 'select2' keys must appear as stated. keys(%menu) are the possible
569: values for the first select menu. The text that coincides with the
1.41 ng 570: first menu value is given in $menu{$choice1}->{'text'}. The values
1.36 matthew 571: and text for the second menu are given in the hash pointed to by
572: $menu{$choice1}->{'select2'}.
573:
1.112 bowersj2 574: my %menu = ( A1 => { text =>"Choice A1" ,
575: default => "B3",
576: select2 => {
577: B1 => "Choice B1",
578: B2 => "Choice B2",
579: B3 => "Choice B3",
580: B4 => "Choice B4"
581: }
582: },
583: A2 => { text =>"Choice A2" ,
584: default => "C2",
585: select2 => {
586: C1 => "Choice C1",
587: C2 => "Choice C2",
588: C3 => "Choice C3"
589: }
590: },
591: A3 => { text =>"Choice A3" ,
592: default => "D6",
593: select2 => {
594: D1 => "Choice D1",
595: D2 => "Choice D2",
596: D3 => "Choice D3",
597: D4 => "Choice D4",
598: D5 => "Choice D5",
599: D6 => "Choice D6",
600: D7 => "Choice D7"
601: }
602: }
603: );
1.36 matthew 604:
605: =cut
606:
607: sub linked_select_forms {
608: my ($formname,
609: $middletext,
610: $firstdefault,
611: $firstselectname,
612: $secondselectname,
613: $hashref
614: ) = @_;
615: my $second = "document.$formname.$secondselectname";
616: my $first = "document.$formname.$firstselectname";
617: # output the javascript to do the changing
618: my $result = '';
1.219 albertel 619: $result.="<script type=\"text/javascript\">\n";
1.36 matthew 620: $result.="var select2data = new Object();\n";
621: $" = '","';
622: my $debug = '';
623: foreach my $s1 (sort(keys(%$hashref))) {
624: $result.="select2data.d_$s1 = new Object();\n";
625: $result.="select2data.d_$s1.def = new String('".
626: $hashref->{$s1}->{'default'}."');\n";
627: $result.="select2data.d_$s1.values = new Array(";
628: my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));
629: $result.="\"@s2values\");\n";
630: $result.="select2data.d_$s1.texts = new Array(";
631: my @s2texts;
632: foreach my $value (@s2values) {
633: push @s2texts, $hashref->{$s1}->{'select2'}->{$value};
634: }
635: $result.="\"@s2texts\");\n";
636: }
637: $"=' ';
638: $result.= <<"END";
639:
640: function select1_changed() {
641: // Determine new choice
642: var newvalue = "d_" + $first.value;
643: // update select2
644: var values = select2data[newvalue].values;
645: var texts = select2data[newvalue].texts;
646: var select2def = select2data[newvalue].def;
647: var i;
648: // out with the old
649: for (i = 0; i < $second.options.length; i++) {
650: $second.options[i] = null;
651: }
652: // in with the nuclear
653: for (i=0;i<values.length; i++) {
654: $second.options[i] = new Option(values[i]);
1.143 matthew 655: $second.options[i].value = values[i];
1.36 matthew 656: $second.options[i].text = texts[i];
657: if (values[i] == select2def) {
658: $second.options[i].selected = true;
659: }
660: }
661: }
662: </script>
663: END
664: # output the initial values for the selection lists
665: $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";
666: foreach my $value (sort(keys(%$hashref))) {
667: $result.=" <option value=\"$value\" ";
1.253 albertel 668: $result.=" selected=\"selected\" " if ($value eq $firstdefault);
1.119 www 669: $result.=">".&mt($hashref->{$value}->{'text'})."</option>\n";
1.36 matthew 670: }
671: $result .= "</select>\n";
672: my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
673: $result .= $middletext;
674: $result .= "<select size=\"1\" name=\"$secondselectname\">\n";
675: my $seconddefault = $hashref->{$firstdefault}->{'default'};
676: foreach my $value (sort(keys(%select2))) {
677: $result.=" <option value=\"$value\" ";
1.253 albertel 678: $result.=" selected=\"selected\" " if ($value eq $seconddefault);
1.119 www 679: $result.=">".&mt($select2{$value})."</option>\n";
1.36 matthew 680: }
681: $result .= "</select>\n";
682: # return $debug;
683: return $result;
684: } # end of sub linked_select_forms {
685:
1.45 matthew 686: =pod
1.44 bowersj2 687:
1.112 bowersj2 688: =item * help_open_topic($topic, $text, $stayOnPage, $width, $height)
1.44 bowersj2 689:
1.112 bowersj2 690: Returns a string corresponding to an HTML link to the given help
691: $topic, where $topic corresponds to the name of a .tex file in
692: /home/httpd/html/adm/help/tex, with underscores replaced by
693: spaces.
694:
695: $text will optionally be linked to the same topic, allowing you to
696: link text in addition to the graphic. If you do not want to link
697: text, but wish to specify one of the later parameters, pass an
698: empty string.
699:
700: $stayOnPage is a value that will be interpreted as a boolean. If true,
701: the link will not open a new window. If false, the link will open
702: a new window using Javascript. (Default is false.)
703:
704: $width and $height are optional numerical parameters that will
705: override the width and height of the popped up window, which may
706: be useful for certain help topics with big pictures included.
1.44 bowersj2 707:
708: =cut
709:
710: sub help_open_topic {
1.48 bowersj2 711: my ($topic, $text, $stayOnPage, $width, $height) = @_;
712: $text = "" if (not defined $text);
1.44 bowersj2 713: $stayOnPage = 0 if (not defined $stayOnPage);
1.552 banghart 714: if ($env{'browser.interface'} eq 'textual') {
1.79 www 715: $stayOnPage=1;
716: }
1.44 bowersj2 717: $width = 350 if (not defined $width);
718: $height = 400 if (not defined $height);
719: my $filename = $topic;
720: $filename =~ s/ /_/g;
721:
1.48 bowersj2 722: my $template = "";
723: my $link;
1.572 banghart 724:
1.159 www 725: $topic=~s/\W/\_/g;
1.44 bowersj2 726:
1.572 banghart 727: if (!$stayOnPage) {
1.72 bowersj2 728: $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1.572 banghart 729: } else {
1.48 bowersj2 730: $link = "/adm/help/${filename}.hlp";
731: }
732:
733: # Add the text
1.572 banghart 734: if ($text ne "") {
1.77 www 735: $template .=
1.572 banghart 736: "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
737: "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.48 bowersj2 738: }
739:
740: # Add the graphic
1.179 matthew 741: my $title = &mt('Online Help');
1.215 albertel 742: my $helpicon=&lonhttpdurl("/adm/help/gif/smallHelp.gif");
1.48 bowersj2 743: $template .= <<"ENDTEMPLATE";
1.436 albertel 744: <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
1.44 bowersj2 745: ENDTEMPLATE
1.78 www 746: if ($text ne '') { $template.='</td></tr></table>' };
1.44 bowersj2 747: return $template;
748:
1.106 bowersj2 749: }
750:
751: # This is a quicky function for Latex cheatsheet editing, since it
752: # appears in at least four places
753: sub helpLatexCheatsheet {
754: my $other = shift;
755: my $addOther = '';
756: if ($other) {
757: $addOther = Apache::loncommon::help_open_topic($other, shift,
758: undef, undef, 600) .
759: '</td><td>';
760: }
761: return '<table><tr><td>'.
762: $addOther .
763: &Apache::loncommon::help_open_topic("Greek_Symbols",'Greek Symbols',
764: undef,undef,600)
765: .'</td><td>'.
766: &Apache::loncommon::help_open_topic("Other_Symbols",'Other Symbols',
767: undef,undef,600)
768: .'</td></tr></table>';
1.172 www 769: }
770:
1.430 albertel 771: sub general_help {
772: my $helptopic='Student_Intro';
773: if ($env{'request.role'}=~/^(ca|au)/) {
774: $helptopic='Authoring_Intro';
775: } elsif ($env{'request.role'}=~/^cc/) {
776: $helptopic='Course_Coordination_Intro';
777: }
778: return $helptopic;
779: }
780:
781: sub update_help_link {
782: my ($topic,$component_help,$faq,$bug,$stayOnPage) = @_;
783: my $origurl = $ENV{'REQUEST_URI'};
784: $origurl=~s|^/~|/priv/|;
785: my $timestamp = time;
786: foreach my $datum (\$topic,\$component_help,\$faq,\$bug,\$origurl) {
787: $$datum = &escape($$datum);
788: }
789:
790: my $banner_link = "/adm/helpmenu?page=banner&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp&stayonpage=$stayOnPage";
791: my $output .= <<"ENDOUTPUT";
792: <script type="text/javascript">
793: banner_link = '$banner_link';
794: </script>
795: ENDOUTPUT
796: return $output;
797: }
798:
799: # now just updates the help link and generates a blue icon
1.193 raeburn 800: sub help_open_menu {
1.430 albertel 801: my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text)
1.552 banghart 802: = @_;
1.430 albertel 803: $stayOnPage = 0 if (not defined $stayOnPage);
1.572 banghart 804: # only use pop-up help (stayOnPage == 0)
1.552 banghart 805: # if environment.remote is on (using remote control UI)
1.572 banghart 806: if ($env{'browser.interface'} eq 'textual' ||
807: $env{'environment.remote'} eq 'off' ) {
1.552 banghart 808: $stayOnPage=1;
1.430 albertel 809: }
810: my $output;
811: if ($component_help) {
812: if (!$text) {
813: $output=&help_open_topic($component_help,undef,$stayOnPage,
814: $width,$height);
815: } else {
816: my $help_text;
817: $help_text=&unescape($topic);
818: $output='<table><tr><td>'.
819: &help_open_topic($component_help,$help_text,$stayOnPage,
820: $width,$height).'</td></tr></table>';
821: }
822: }
823: my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);
824: return $output.$banner_link;
825: }
826:
827: sub top_nav_help {
828: my ($text) = @_;
1.436 albertel 829: $text = &mt($text);
1.572 banghart 830: my $stay_on_page =
1.436 albertel 831: ($env{'browser.interface'} eq 'textual' ||
832: $env{'environment.remote'} eq 'off' );
1.572 banghart 833: my $link = ($stay_on_page) ? "javascript:helpMenu('display')"
1.436 albertel 834: : "javascript:helpMenu('open')";
1.572 banghart 835: my $banner_link = &update_help_link(undef,undef,undef,undef,$stay_on_page);
1.436 albertel 836:
1.201 raeburn 837: my $title = &mt('Get help');
1.436 albertel 838:
839: return <<"END";
840: $banner_link
841: <a href="$link" title="$title">$text</a>
842: END
843: }
844:
845: sub help_menu_js {
846: my ($text) = @_;
847:
848: my $stayOnPage =
849: ($env{'browser.interface'} eq 'textual' ||
850: $env{'environment.remote'} eq 'off' );
851:
852: my $width = 620;
853: my $height = 600;
1.430 albertel 854: my $helptopic=&general_help();
855: my $details_link = '/adm/help/'.$helptopic.'.hlp';
1.261 albertel 856: my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
1.331 albertel 857: my $start_page =
858: &Apache::loncommon::start_page('Help Menu', undef,
859: {'frameset' => 1,
860: 'js_ready' => 1,
861: 'add_entries' => {
862: 'border' => '0',
1.579 raeburn 863: 'rows' => "110,*",},});
1.331 albertel 864: my $end_page =
865: &Apache::loncommon::end_page({'frameset' => 1,
866: 'js_ready' => 1,});
867:
1.436 albertel 868: my $template .= <<"ENDTEMPLATE";
869: <script type="text/javascript">
1.253 albertel 870: // <!-- BEGIN LON-CAPA Internal
871: // <![CDATA[
1.430 albertel 872: var banner_link = '';
1.243 raeburn 873: function helpMenu(target) {
874: var caller = this;
875: if (target == 'open') {
876: var newWindow = null;
877: try {
1.262 albertel 878: newWindow = window.open($nothing,"helpmenu","HEIGHT=$height,WIDTH=$width,resizable=yes,scrollbars=yes" )
1.243 raeburn 879: }
880: catch(error) {
881: writeHelp(caller);
882: return;
883: }
884: if (newWindow) {
885: caller = newWindow;
886: }
1.193 raeburn 887: }
1.243 raeburn 888: writeHelp(caller);
889: return;
890: }
891: function writeHelp(caller) {
1.430 albertel 892: caller.document.writeln('$start_page<frame name="bannerframe" src="'+banner_link+'" /><frame name="bodyframe" src="$details_link" /> $end_page')
1.243 raeburn 893: caller.document.close()
894: caller.focus()
1.193 raeburn 895: }
1.253 albertel 896: // ]]>
1.219 albertel 897: // END LON-CAPA Internal -->
1.436 albertel 898: </script>
1.193 raeburn 899: ENDTEMPLATE
900: return $template;
901: }
902:
1.172 www 903: sub help_open_bug {
904: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 905: unless ($env{'user.adv'}) { return ''; }
1.172 www 906: unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
907: $text = "" if (not defined $text);
908: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 909: if ($env{'browser.interface'} eq 'textual' ||
910: $env{'environment.remote'} eq 'off' ) {
1.172 www 911: $stayOnPage=1;
912: }
1.184 albertel 913: $width = 600 if (not defined $width);
914: $height = 600 if (not defined $height);
1.172 www 915:
916: $topic=~s/\W+/\+/g;
917: my $link='';
918: my $template='';
1.379 albertel 919: my $url=$Apache::lonnet::perlvar{'BugzillaHost'}.'enter_bug.cgi?product=LON-CAPA&bug_file_loc='.
920: &escape($ENV{'REQUEST_URI'}).'&component='.$topic;
1.172 www 921: if (!$stayOnPage)
922: {
923: $link = "javascript:void(open('$url', 'Bugzilla', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
924: }
925: else
926: {
927: $link = $url;
928: }
929: # Add the text
930: if ($text ne "")
931: {
932: $template .=
933: "<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 934: "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 935: }
936:
937: # Add the graphic
1.179 matthew 938: my $title = &mt('Report a Bug');
1.215 albertel 939: my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif");
1.172 www 940: $template .= <<"ENDTEMPLATE";
1.436 albertel 941: <a target="_top" href="$link" title="$title"><img src="$bugicon" border="0" alt="(Bug: $topic)" /></a>
1.172 www 942: ENDTEMPLATE
943: if ($text ne '') { $template.='</td></tr></table>' };
944: return $template;
945:
946: }
947:
948: sub help_open_faq {
949: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 950: unless ($env{'user.adv'}) { return ''; }
1.172 www 951: unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
952: $text = "" if (not defined $text);
953: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 954: if ($env{'browser.interface'} eq 'textual' ||
955: $env{'environment.remote'} eq 'off' ) {
1.172 www 956: $stayOnPage=1;
957: }
958: $width = 350 if (not defined $width);
959: $height = 400 if (not defined $height);
960:
961: $topic=~s/\W+/\+/g;
962: my $link='';
963: my $template='';
964: my $url=$Apache::lonnet::perlvar{'FAQHost'}.'/fom/cache/'.$topic.'.html';
965: if (!$stayOnPage)
966: {
967: $link = "javascript:void(open('$url', 'FAQ-O-Matic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
968: }
969: else
970: {
971: $link = $url;
972: }
973:
974: # Add the text
975: if ($text ne "")
976: {
977: $template .=
1.173 www 978: "<table bgcolor='#337733' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 979: "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 980: }
981:
982: # Add the graphic
1.179 matthew 983: my $title = &mt('View the FAQ');
1.215 albertel 984: my $faqicon=&lonhttpdurl("/adm/lonMisc/smallFAQ.gif");
1.172 www 985: $template .= <<"ENDTEMPLATE";
1.436 albertel 986: <a target="_top" href="$link" title="$title"><img src="$faqicon" border="0" alt="(FAQ: $topic)" /></a>
1.172 www 987: ENDTEMPLATE
988: if ($text ne '') { $template.='</td></tr></table>' };
989: return $template;
990:
1.44 bowersj2 991: }
1.37 matthew 992:
1.180 matthew 993: ###############################################################
994: ###############################################################
995:
1.45 matthew 996: =pod
997:
1.256 matthew 998: =item * change_content_javascript():
999:
1000: This and the next function allow you to create small sections of an
1001: otherwise static HTML page that you can update on the fly with
1002: Javascript, even in Netscape 4.
1003:
1004: The Javascript fragment returned by this function (no E<lt>scriptE<gt> tag)
1005: must be written to the HTML page once. It will prove the Javascript
1006: function "change(name, content)". Calling the change function with the
1007: name of the section
1008: you want to update, matching the name passed to C<changable_area>, and
1009: the new content you want to put in there, will put the content into
1010: that area.
1011:
1012: B<Note>: Netscape 4 only reserves enough space for the changable area
1013: to contain room for the original contents. You need to "make space"
1014: for whatever changes you wish to make, and be B<sure> to check your
1015: code in Netscape 4. This feature in Netscape 4 is B<not> powerful;
1016: it's adequate for updating a one-line status display, but little more.
1017: This script will set the space to 100% width, so you only need to
1018: worry about height in Netscape 4.
1019:
1020: Modern browsers are much less limiting, and if you can commit to the
1021: user not using Netscape 4, this feature may be used freely with
1022: pretty much any HTML.
1023:
1024: =cut
1025:
1026: sub change_content_javascript {
1027: # If we're on Netscape 4, we need to use Layer-based code
1.258 albertel 1028: if ($env{'browser.type'} eq 'netscape' &&
1029: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1030: return (<<NETSCAPE4);
1031: function change(name, content) {
1032: doc = document.layers[name+"___escape"].layers[0].document;
1033: doc.open();
1034: doc.write(content);
1035: doc.close();
1036: }
1037: NETSCAPE4
1038: } else {
1039: # Otherwise, we need to use semi-standards-compliant code
1040: # (technically, "innerHTML" isn't standard but the equivalent
1041: # is really scary, and every useful browser supports it
1042: return (<<DOMBASED);
1043: function change(name, content) {
1044: element = document.getElementById(name);
1045: element.innerHTML = content;
1046: }
1047: DOMBASED
1048: }
1049: }
1050:
1051: =pod
1052:
1053: =item * changable_area($name, $origContent):
1054:
1055: This provides a "changable area" that can be modified on the fly via
1056: the Javascript code provided in C<change_content_javascript>. $name is
1057: the name you will use to reference the area later; do not repeat the
1058: same name on a given HTML page more then once. $origContent is what
1059: the area will originally contain, which can be left blank.
1060:
1061: =cut
1062:
1063: sub changable_area {
1064: my ($name, $origContent) = @_;
1065:
1.258 albertel 1066: if ($env{'browser.type'} eq 'netscape' &&
1067: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1068: # If this is netscape 4, we need to use the Layer tag
1069: return "<ilayer width='100%' id='${name}___escape' overflow='none'><layer width='100%' id='$name' overflow='none'>$origContent</layer></ilayer>";
1070: } else {
1071: return "<span id='$name'>$origContent</span>";
1072: }
1073: }
1074:
1075: =pod
1076:
1.590 raeburn 1077: =item * viewport_geometry_js {
1078:
1079: Provides javascript object (Geometry) which can provide information about the viewport geometry for the client browser.
1080:
1081: =cut
1082:
1083:
1084: sub viewport_geometry_js {
1085: return <<"GEOMETRY";
1086: var Geometry = {};
1087: function init_geometry() {
1088: if (Geometry.init) { return };
1089: Geometry.init=1;
1090: if (window.innerHeight) {
1091: Geometry.getViewportHeight = function() { return window.innerHeight; };
1092: Geometry.getViewportWidth = function() { return window.innerWidth; };
1093: Geometry.getHorizontalScroll = function() { return window.pageXOffset; };
1094: Geometry.getVerticalScroll = function() { return window.pageYOffset; };
1095: }
1096: else if (document.documentElement && document.documentElement.clientHeight) {
1097: Geometry.getViewportHeight =
1098: function() { return document.documentElement.clientHeight; };
1099: Geometry.getViewportWidth =
1100: function() { return document.documentElement.clientWidth; };
1101:
1102: Geometry.getHorizontalScroll =
1103: function() { return document.documentElement.scrollLeft; };
1104: Geometry.getVerticalScroll =
1105: function() { return document.documentElement.scrollTop; };
1106: }
1107: else if (document.body.clientHeight) {
1108: Geometry.getViewportHeight =
1109: function() { return document.body.clientHeight; };
1110: Geometry.getViewportWidth =
1111: function() { return document.body.clientWidth; };
1112: Geometry.getHorizontalScroll =
1113: function() { return document.body.scrollLeft; };
1114: Geometry.getVerticalScroll =
1115: function() { return document.body.scrollTop; };
1116: }
1117: }
1118:
1119: GEOMETRY
1120: }
1121:
1122: =pod
1123:
1124: =item * viewport_size_js {
1125:
1126: Provides a javascript function to set values of two form elements - width and height (elements are passed in as arguments to the javascript function) to the dimensions of the user's browser window.
1127:
1128: =cut
1129:
1130: sub viewport_size_js {
1131: my $geometry = &viewport_geometry_js();
1132: return <<"DIMS";
1133:
1134: $geometry
1135:
1136: function getViewportDims(width,height) {
1137: init_geometry();
1138: width.value = Geometry.getViewportWidth();
1139: height.value = Geometry.getViewportHeight();
1140: return;
1141: }
1142:
1143: DIMS
1144: }
1145:
1146: =pod
1147:
1.565 albertel 1148: =item * resize_textarea_js
1149:
1150: emits the needed javascript to resize a textarea to be as big as possible
1151:
1152: creates a function resize_textrea that takes two IDs first should be
1153: the id of the element to resize, second should be the id of a div that
1154: surrounds everything that comes after the textarea, this routine needs
1155: to be attached to the <body> for the onload and onresize events.
1156:
1157:
1158: =cut
1159:
1160: sub resize_textarea_js {
1.590 raeburn 1161: my $geometry = &viewport_geometry_js();
1.565 albertel 1162: return <<"RESIZE";
1163: <script type="text/javascript">
1.590 raeburn 1164: $geometry
1.565 albertel 1165:
1.588 albertel 1166: function getX(element) {
1167: var x = 0;
1168: while (element) {
1169: x += element.offsetLeft;
1170: element = element.offsetParent;
1171: }
1172: return x;
1173: }
1174: function getY(element) {
1175: var y = 0;
1176: while (element) {
1177: y += element.offsetTop;
1178: element = element.offsetParent;
1179: }
1180: return y;
1181: }
1182:
1183:
1.565 albertel 1184: function resize_textarea(textarea_id,bottom_id) {
1185: init_geometry();
1186: var textarea = document.getElementById(textarea_id);
1187: //alert(textarea);
1188:
1.588 albertel 1189: var textarea_top = getY(textarea);
1.565 albertel 1190: var textarea_height = textarea.offsetHeight;
1191: var bottom = document.getElementById(bottom_id);
1.588 albertel 1192: var bottom_top = getY(bottom);
1.565 albertel 1193: var bottom_height = bottom.offsetHeight;
1194: var window_height = Geometry.getViewportHeight();
1.588 albertel 1195: var fudge = 23;
1.565 albertel 1196: var new_height = window_height-fudge-textarea_top-bottom_height;
1197: if (new_height < 300) {
1198: new_height = 300;
1199: }
1200: textarea.style.height=new_height+'px';
1201: }
1202: </script>
1203: RESIZE
1204:
1205: }
1206:
1207: =pod
1208:
1.256 matthew 1209: =back
1.542 raeburn 1210:
1.256 matthew 1211: =head1 Excel and CSV file utility routines
1212:
1213: =over 4
1214:
1215: =cut
1216:
1217: ###############################################################
1218: ###############################################################
1219:
1220: =pod
1221:
1.112 bowersj2 1222: =item * csv_translate($text)
1.37 matthew 1223:
1.185 www 1224: Translate $text to allow it to be output as a 'comma separated values'
1.37 matthew 1225: format.
1226:
1227: =cut
1228:
1.180 matthew 1229: ###############################################################
1230: ###############################################################
1.37 matthew 1231: sub csv_translate {
1232: my $text = shift;
1233: $text =~ s/\"/\"\"/g;
1.209 albertel 1234: $text =~ s/\n/ /g;
1.37 matthew 1235: return $text;
1236: }
1.180 matthew 1237:
1238: ###############################################################
1239: ###############################################################
1240:
1241: =pod
1242:
1243: =item * define_excel_formats
1244:
1245: Define some commonly used Excel cell formats.
1246:
1247: Currently supported formats:
1248:
1249: =over 4
1250:
1251: =item header
1252:
1253: =item bold
1254:
1255: =item h1
1256:
1257: =item h2
1258:
1259: =item h3
1260:
1.256 matthew 1261: =item h4
1262:
1263: =item i
1264:
1.180 matthew 1265: =item date
1266:
1267: =back
1268:
1269: Inputs: $workbook
1270:
1271: Returns: $format, a hash reference.
1272:
1273: =cut
1274:
1275: ###############################################################
1276: ###############################################################
1277: sub define_excel_formats {
1278: my ($workbook) = @_;
1279: my $format;
1280: $format->{'header'} = $workbook->add_format(bold => 1,
1281: bottom => 1,
1282: align => 'center');
1283: $format->{'bold'} = $workbook->add_format(bold=>1);
1284: $format->{'h1'} = $workbook->add_format(bold=>1, size=>18);
1285: $format->{'h2'} = $workbook->add_format(bold=>1, size=>16);
1286: $format->{'h3'} = $workbook->add_format(bold=>1, size=>14);
1.255 matthew 1287: $format->{'h4'} = $workbook->add_format(bold=>1, size=>12);
1.246 matthew 1288: $format->{'i'} = $workbook->add_format(italic=>1);
1.180 matthew 1289: $format->{'date'} = $workbook->add_format(num_format=>
1.207 matthew 1290: 'mm/dd/yyyy hh:mm:ss');
1.180 matthew 1291: return $format;
1292: }
1293:
1294: ###############################################################
1295: ###############################################################
1.113 bowersj2 1296:
1297: =pod
1298:
1.256 matthew 1299: =item * create_workbook
1.255 matthew 1300:
1301: Create an Excel worksheet. If it fails, output message on the
1302: request object and return undefs.
1303:
1304: Inputs: Apache request object
1305:
1306: Returns (undef) on failure,
1307: Excel worksheet object, scalar with filename, and formats
1308: from &Apache::loncommon::define_excel_formats on success
1309:
1310: =cut
1311:
1312: ###############################################################
1313: ###############################################################
1314: sub create_workbook {
1315: my ($r) = @_;
1316: #
1317: # Create the excel spreadsheet
1318: my $filename = '/prtspool/'.
1.258 albertel 1319: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.255 matthew 1320: time.'_'.rand(1000000000).'.xls';
1321: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
1322: if (! defined($workbook)) {
1323: $r->log_error("Error creating excel spreadsheet $filename: $!");
1324: $r->print('<p>'.&mt("Unable to create new Excel file. ".
1325: "This error has been logged. ".
1326: "Please alert your LON-CAPA administrator").
1327: '</p>');
1328: return (undef);
1329: }
1330: #
1331: $workbook->set_tempdir('/home/httpd/perl/tmp');
1332: #
1333: my $format = &Apache::loncommon::define_excel_formats($workbook);
1334: return ($workbook,$filename,$format);
1335: }
1336:
1337: ###############################################################
1338: ###############################################################
1339:
1340: =pod
1341:
1.256 matthew 1342: =item * create_text_file
1.113 bowersj2 1343:
1.542 raeburn 1344: Create a file to write to and eventually make available to the user.
1.256 matthew 1345: If file creation fails, outputs an error message on the request object and
1346: return undefs.
1.113 bowersj2 1347:
1.256 matthew 1348: Inputs: Apache request object, and file suffix
1.113 bowersj2 1349:
1.256 matthew 1350: Returns (undef) on failure,
1351: Filehandle and filename on success.
1.113 bowersj2 1352:
1353: =cut
1354:
1.256 matthew 1355: ###############################################################
1356: ###############################################################
1357: sub create_text_file {
1358: my ($r,$suffix) = @_;
1359: if (! defined($suffix)) { $suffix = 'txt'; };
1360: my $fh;
1361: my $filename = '/prtspool/'.
1.258 albertel 1362: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.256 matthew 1363: time.'_'.rand(1000000000).'.'.$suffix;
1364: $fh = Apache::File->new('>/home/httpd'.$filename);
1365: if (! defined($fh)) {
1366: $r->log_error("Couldn't open $filename for output $!");
1367: $r->print("Problems occured in creating the output file. ".
1368: "This error has been logged. ".
1369: "Please alert your LON-CAPA administrator.");
1.113 bowersj2 1370: }
1.256 matthew 1371: return ($fh,$filename)
1.113 bowersj2 1372: }
1373:
1374:
1.256 matthew 1375: =pod
1.113 bowersj2 1376:
1377: =back
1378:
1379: =cut
1.37 matthew 1380:
1381: ###############################################################
1.33 matthew 1382: ## Home server <option> list generating code ##
1383: ###############################################################
1.35 matthew 1384:
1.169 www 1385: # ------------------------------------------
1386:
1387: sub domain_select {
1388: my ($name,$value,$multiple)=@_;
1389: my %domains=map {
1.514 albertel 1390: $_ => $_.' '. &Apache::lonnet::domain($_,'description')
1.512 albertel 1391: } &Apache::lonnet::all_domains();
1.169 www 1392: if ($multiple) {
1393: $domains{''}=&mt('Any domain');
1.550 albertel 1394: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1.287 albertel 1395: return &multiple_select_form($name,$value,4,\%domains);
1.169 www 1396: } else {
1.550 albertel 1397: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1.169 www 1398: return &select_form($name,$value,%domains);
1399: }
1400: }
1401:
1.282 albertel 1402: #-------------------------------------------
1403:
1404: =pod
1405:
1.519 raeburn 1406: =head1 Routines for form select boxes
1407:
1408: =over 4
1409:
1.287 albertel 1410: =item * multiple_select_form($name,$value,$size,$hash,$order)
1.282 albertel 1411:
1412: Returns a string containing a <select> element int multiple mode
1413:
1414:
1415: Args:
1416: $name - name of the <select> element
1.506 raeburn 1417: $value - scalar or array ref of values that should already be selected
1.282 albertel 1418: $size - number of rows long the select element is
1.283 albertel 1419: $hash - the elements should be 'option' => 'shown text'
1.282 albertel 1420: (shown text should already have been &mt())
1.506 raeburn 1421: $order - (optional) array ref of the order to show the elements in
1.283 albertel 1422:
1.282 albertel 1423: =cut
1424:
1425: #-------------------------------------------
1.169 www 1426: sub multiple_select_form {
1.284 albertel 1427: my ($name,$value,$size,$hash,$order)=@_;
1.169 www 1428: my %selected = map { $_ => 1 } ref($value)?@{$value}:($value);
1429: my $output='';
1.191 matthew 1430: if (! defined($size)) {
1431: $size = 4;
1.283 albertel 1432: if (scalar(keys(%$hash))<4) {
1433: $size = scalar(keys(%$hash));
1.191 matthew 1434: }
1435: }
1.169 www 1436: $output.="\n<select name='$name' size='$size' multiple='1'>";
1.501 banghart 1437: my @order;
1.506 raeburn 1438: if (ref($order) eq 'ARRAY') {
1439: @order = @{$order};
1440: } else {
1441: @order = sort(keys(%$hash));
1.501 banghart 1442: }
1443: if (exists($$hash{'select_form_order'})) {
1444: @order = @{$$hash{'select_form_order'}};
1445: }
1446:
1.284 albertel 1447: foreach my $key (@order) {
1.356 albertel 1448: $output.='<option value="'.&HTML::Entities::encode($key,'"<>&').'" ';
1.284 albertel 1449: $output.='selected="selected" ' if ($selected{$key});
1450: $output.='>'.$hash->{$key}."</option>\n";
1.169 www 1451: }
1452: $output.="</select>\n";
1453: return $output;
1454: }
1455:
1.88 www 1456: #-------------------------------------------
1457:
1458: =pod
1459:
1.112 bowersj2 1460: =item * select_form($defdom,$name,%hash)
1.88 www 1461:
1462: Returns a string containing a <select name='$name' size='1'> form to
1463: allow a user to select options from a hash option_name => displayed text.
1464: See lonrights.pm for an example invocation and use.
1465:
1466: =cut
1467:
1468: #-------------------------------------------
1469: sub select_form {
1470: my ($def,$name,%hash) = @_;
1471: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1.128 albertel 1472: my @keys;
1473: if (exists($hash{'select_form_order'})) {
1474: @keys=@{$hash{'select_form_order'}};
1475: } else {
1476: @keys=sort(keys(%hash));
1477: }
1.356 albertel 1478: foreach my $key (@keys) {
1479: $selectform.=
1480: '<option value="'.&HTML::Entities::encode($key,'"<>&').'" '.
1481: ($key eq $def ? 'selected="selected" ' : '').
1482: ">".&mt($hash{$key})."</option>\n";
1.88 www 1483: }
1484: $selectform.="</select>";
1485: return $selectform;
1486: }
1487:
1.475 www 1488: # For display filters
1489:
1490: sub display_filter {
1491: if (!$env{'form.show'}) { $env{'form.show'}=10; }
1.477 www 1492: if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
1.475 www 1493: return '<nobr><label>'.&mt('Records [_1]',
1494: &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
1495: (&mt('all'),10,20,50,100,1000,10000))).
1.478 www 1496: '</label></nobr> <nobr>'.
1.475 www 1497: &mt('Filter [_1]',
1.477 www 1498: &select_form($env{'form.displayfilter'},
1499: 'displayfilter',
1500: ('currentfolder' => 'Current folder/page',
1501: 'containing' => 'Containing phrase',
1502: 'none' => 'None'))).
1.478 www 1503: '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></nobr>';
1.475 www 1504: }
1505:
1.167 www 1506: sub gradeleveldescription {
1507: my $gradelevel=shift;
1508: my %gradelevels=(0 => 'Not specified',
1509: 1 => 'Grade 1',
1510: 2 => 'Grade 2',
1511: 3 => 'Grade 3',
1512: 4 => 'Grade 4',
1513: 5 => 'Grade 5',
1514: 6 => 'Grade 6',
1515: 7 => 'Grade 7',
1516: 8 => 'Grade 8',
1517: 9 => 'Grade 9',
1518: 10 => 'Grade 10',
1519: 11 => 'Grade 11',
1520: 12 => 'Grade 12',
1521: 13 => 'Grade 13',
1522: 14 => '100 Level',
1523: 15 => '200 Level',
1524: 16 => '300 Level',
1525: 17 => '400 Level',
1526: 18 => 'Graduate Level');
1527: return &mt($gradelevels{$gradelevel});
1528: }
1529:
1.163 www 1530: sub select_level_form {
1531: my ($deflevel,$name)=@_;
1532: unless ($deflevel) { $deflevel=0; }
1.167 www 1533: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1534: for (my $i=0; $i<=18; $i++) {
1535: $selectform.="<option value=\"$i\" ".
1.253 albertel 1536: ($i==$deflevel ? 'selected="selected" ' : '').
1.167 www 1537: ">".&gradeleveldescription($i)."</option>\n";
1538: }
1539: $selectform.="</select>";
1540: return $selectform;
1.163 www 1541: }
1.167 www 1542:
1.35 matthew 1543: #-------------------------------------------
1544:
1.45 matthew 1545: =pod
1546:
1.563 raeburn 1547: =item * select_dom_form($defdom,$name,$includeempty,$showdomdesc)
1.35 matthew 1548:
1549: Returns a string containing a <select name='$name' size='1'> form to
1550: allow a user to select the domain to preform an operation in.
1551: See loncreateuser.pm for an example invocation and use.
1552:
1.90 www 1553: If the $includeempty flag is set, it also includes an empty choice ("no domain
1554: selected");
1555:
1.563 raeburn 1556: If the $showdomdesc flag is set, the domain name is followed by the domain description.
1557:
1.35 matthew 1558: =cut
1559:
1560: #-------------------------------------------
1.34 matthew 1561: sub select_dom_form {
1.563 raeburn 1562: my ($defdom,$name,$includeempty,$showdomdesc) = @_;
1.550 albertel 1563: my @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
1.90 www 1564: if ($includeempty) { @domains=('',@domains); }
1.34 matthew 1565: my $selectdomain = "<select name=\"$name\" size=\"1\">\n";
1.356 albertel 1566: foreach my $dom (@domains) {
1567: $selectdomain.="<option value=\"$dom\" ".
1.563 raeburn 1568: ($dom eq $defdom ? 'selected="selected" ' : '').'>'.$dom;
1569: if ($showdomdesc) {
1570: if ($dom ne '') {
1571: my $domdesc = &Apache::lonnet::domain($dom,'description');
1572: if ($domdesc ne '') {
1573: $selectdomain .= ' ('.$domdesc.')';
1574: }
1575: }
1576: }
1577: $selectdomain .= "</option>\n";
1.34 matthew 1578: }
1579: $selectdomain.="</select>";
1580: return $selectdomain;
1581: }
1582:
1.35 matthew 1583: #-------------------------------------------
1584:
1.45 matthew 1585: =pod
1586:
1.586 raeburn 1587: =item * home_server_form_item($domain,$name,$defaultflag)
1.35 matthew 1588:
1.586 raeburn 1589: input: 4 arguments (two required, two optional) -
1590: $domain - domain of new user
1591: $name - name of form element
1592: $default - Value of 'default' causes a default item to be first
1593: option, and selected by default.
1594: $hide - Value of 'hide' causes hiding of the name of the server,
1595: if 1 server found, or default, if 0 found.
1.594 raeburn 1596: output: returns 2 items:
1.586 raeburn 1597: (a) form element which contains either:
1598: (i) <select name="$name">
1599: <option value="$hostid1">$hostid $servers{$hostid}</option>
1600: <option value="$hostid2">$hostid $servers{$hostid}</option>
1601: </select>
1602: form item if there are multiple library servers in $domain, or
1603: (ii) an <input type="hidden" name="$name" value="$hostid" /> form item
1604: if there is only one library server in $domain.
1605:
1606: (b) number of library servers found.
1607:
1608: See loncreateuser.pm for example of use.
1.35 matthew 1609:
1610: =cut
1611:
1612: #-------------------------------------------
1.586 raeburn 1613: sub home_server_form_item {
1614: my ($domain,$name,$default,$hide) = @_;
1.513 albertel 1615: my %servers = &Apache::lonnet::get_servers($domain,'library');
1.586 raeburn 1616: my $result;
1617: my $numlib = keys(%servers);
1618: if ($numlib > 1) {
1619: $result .= '<select name="'.$name.'" />'."\n";
1620: if ($default) {
1621: $result .= '<option value="default" selected>'.&mt('default').
1622: '</option>'."\n";
1623: }
1624: foreach my $hostid (sort(keys(%servers))) {
1625: $result.= '<option value="'.$hostid.'">'.
1626: $hostid.' '.$servers{$hostid}."</option>\n";
1627: }
1628: $result .= '</select>'."\n";
1629: } elsif ($numlib == 1) {
1630: my $hostid;
1631: foreach my $item (keys(%servers)) {
1632: $hostid = $item;
1633: }
1634: $result .= '<input type="hidden" name="'.$name.'" value="'.
1635: $hostid.'" />';
1636: if (!$hide) {
1637: $result .= $hostid.' '.$servers{$hostid};
1638: }
1639: $result .= "\n";
1640: } elsif ($default) {
1641: $result .= '<input type="hidden" name="'.$name.
1642: '" value="default" />';
1643: if (!$hide) {
1644: $result .= &mt('default');
1645: }
1646: $result .= "\n";
1.33 matthew 1647: }
1.586 raeburn 1648: return ($result,$numlib);
1.33 matthew 1649: }
1.112 bowersj2 1650:
1651: =pod
1652:
1.534 albertel 1653: =back
1654:
1.112 bowersj2 1655: =cut
1.87 matthew 1656:
1657: ###############################################################
1.112 bowersj2 1658: ## Decoding User Agent ##
1.87 matthew 1659: ###############################################################
1660:
1661: =pod
1662:
1.112 bowersj2 1663: =head1 Decoding the User Agent
1664:
1665: =over 4
1666:
1667: =item * &decode_user_agent()
1.87 matthew 1668:
1669: Inputs: $r
1670:
1671: Outputs:
1672:
1673: =over 4
1674:
1.112 bowersj2 1675: =item * $httpbrowser
1.87 matthew 1676:
1.112 bowersj2 1677: =item * $clientbrowser
1.87 matthew 1678:
1.112 bowersj2 1679: =item * $clientversion
1.87 matthew 1680:
1.112 bowersj2 1681: =item * $clientmathml
1.87 matthew 1682:
1.112 bowersj2 1683: =item * $clientunicode
1.87 matthew 1684:
1.112 bowersj2 1685: =item * $clientos
1.87 matthew 1686:
1687: =back
1688:
1.157 matthew 1689: =back
1690:
1.87 matthew 1691: =cut
1692:
1693: ###############################################################
1694: ###############################################################
1695: sub decode_user_agent {
1.247 albertel 1696: my ($r)=@_;
1.87 matthew 1697: my @browsertype=split(/\&/,$Apache::lonnet::perlvar{"lonBrowsDet"});
1698: my %mathcap=split(/\&/,$$Apache::lonnet::perlvar{"lonMathML"});
1699: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
1.247 albertel 1700: if (!$httpbrowser && $r) { $httpbrowser=$r->header_in('User-Agent'); }
1.87 matthew 1701: my $clientbrowser='unknown';
1702: my $clientversion='0';
1703: my $clientmathml='';
1704: my $clientunicode='0';
1705: for (my $i=0;$i<=$#browsertype;$i++) {
1706: my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
1707: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
1708: $clientbrowser=$bname;
1709: $httpbrowser=~/$vreg/i;
1710: $clientversion=$1;
1711: $clientmathml=($clientversion>=$minv);
1712: $clientunicode=($clientversion>=$univ);
1713: }
1714: }
1715: my $clientos='unknown';
1716: if (($httpbrowser=~/linux/i) ||
1717: ($httpbrowser=~/unix/i) ||
1718: ($httpbrowser=~/ux/i) ||
1719: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
1720: if (($httpbrowser=~/vax/i) ||
1721: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
1722: if ($httpbrowser=~/next/i) { $clientos='next'; }
1723: if (($httpbrowser=~/mac/i) ||
1724: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
1725: if ($httpbrowser=~/win/i) { $clientos='win'; }
1726: if ($httpbrowser=~/embed/i) { $clientos='pda'; }
1727: return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
1728: $clientunicode,$clientos,);
1729: }
1730:
1.32 matthew 1731: ###############################################################
1732: ## Authentication changing form generation subroutines ##
1733: ###############################################################
1734: ##
1735: ## All of the authform_xxxxxxx subroutines take their inputs in a
1736: ## hash, and have reasonable default values.
1737: ##
1738: ## formname = the name given in the <form> tag.
1.35 matthew 1739: #-------------------------------------------
1740:
1.45 matthew 1741: =pod
1742:
1.112 bowersj2 1743: =head1 Authentication Routines
1744:
1745: =over 4
1746:
1747: =item * authform_xxxxxx
1.35 matthew 1748:
1749: The authform_xxxxxx subroutines provide javascript and html forms which
1750: handle some of the conveniences required for authentication forms.
1751: This is not an optimal method, but it works.
1752:
1753: See loncreateuser.pm for invocation and use examples.
1754:
1755: =over 4
1756:
1.112 bowersj2 1757: =item * authform_header
1.35 matthew 1758:
1.112 bowersj2 1759: =item * authform_authorwarning
1.35 matthew 1760:
1.112 bowersj2 1761: =item * authform_nochange
1.35 matthew 1762:
1.112 bowersj2 1763: =item * authform_kerberos
1.35 matthew 1764:
1.112 bowersj2 1765: =item * authform_internal
1.35 matthew 1766:
1.112 bowersj2 1767: =item * authform_filesystem
1.35 matthew 1768:
1769: =back
1770:
1.157 matthew 1771: =back
1772:
1.35 matthew 1773: =cut
1774:
1775: #-------------------------------------------
1.32 matthew 1776: sub authform_header{
1777: my %in = (
1778: formname => 'cu',
1.80 albertel 1779: kerb_def_dom => '',
1.32 matthew 1780: @_,
1781: );
1782: $in{'formname'} = 'document.' . $in{'formname'};
1783: my $result='';
1.80 albertel 1784:
1785: #---------------------------------------------- Code for upper case translation
1786: my $Javascript_toUpperCase;
1787: unless ($in{kerb_def_dom}) {
1788: $Javascript_toUpperCase =<<"END";
1789: switch (choice) {
1790: case 'krb': currentform.elements[choicearg].value =
1791: currentform.elements[choicearg].value.toUpperCase();
1792: break;
1793: default:
1794: }
1795: END
1796: } else {
1797: $Javascript_toUpperCase = "";
1798: }
1799:
1.165 raeburn 1800: my $radioval = "'nochange'";
1.591 raeburn 1801: if (defined($in{'curr_authtype'})) {
1802: if ($in{'curr_authtype'} ne '') {
1803: $radioval = "'".$in{'curr_authtype'}."arg'";
1804: }
1.174 matthew 1805: }
1.165 raeburn 1806: my $argfield = 'null';
1.591 raeburn 1807: if (defined($in{'mode'})) {
1.165 raeburn 1808: if ($in{'mode'} eq 'modifycourse') {
1.591 raeburn 1809: if (defined($in{'curr_autharg'})) {
1810: if ($in{'curr_autharg'} ne '') {
1.165 raeburn 1811: $argfield = "'$in{'curr_autharg'}'";
1812: }
1813: }
1814: }
1815: }
1816:
1.32 matthew 1817: $result.=<<"END";
1818: var current = new Object();
1.165 raeburn 1819: current.radiovalue = $radioval;
1820: current.argfield = $argfield;
1.32 matthew 1821:
1822: function changed_radio(choice,currentform) {
1823: var choicearg = choice + 'arg';
1824: // If a radio button in changed, we need to change the argfield
1825: if (current.radiovalue != choice) {
1826: current.radiovalue = choice;
1827: if (current.argfield != null) {
1828: currentform.elements[current.argfield].value = '';
1829: }
1830: if (choice == 'nochange') {
1831: current.argfield = null;
1832: } else {
1833: current.argfield = choicearg;
1834: switch(choice) {
1835: case 'krb':
1836: currentform.elements[current.argfield].value =
1837: "$in{'kerb_def_dom'}";
1838: break;
1839: default:
1840: break;
1841: }
1842: }
1843: }
1844: return;
1845: }
1.22 www 1846:
1.32 matthew 1847: function changed_text(choice,currentform) {
1848: var choicearg = choice + 'arg';
1849: if (currentform.elements[choicearg].value !='') {
1.80 albertel 1850: $Javascript_toUpperCase
1.32 matthew 1851: // clear old field
1852: if ((current.argfield != choicearg) && (current.argfield != null)) {
1853: currentform.elements[current.argfield].value = '';
1854: }
1855: current.argfield = choicearg;
1856: }
1857: set_auth_radio_buttons(choice,currentform);
1858: return;
1.20 www 1859: }
1.32 matthew 1860:
1861: function set_auth_radio_buttons(newvalue,currentform) {
1862: var i=0;
1863: while (i < currentform.login.length) {
1864: if (currentform.login[i].value == newvalue) { break; }
1865: i++;
1866: }
1867: if (i == currentform.login.length) {
1868: return;
1869: }
1870: current.radiovalue = newvalue;
1871: currentform.login[i].checked = true;
1872: return;
1873: }
1874: END
1875: return $result;
1876: }
1877:
1878: sub authform_authorwarning{
1879: my $result='';
1.144 matthew 1880: $result='<i>'.
1881: &mt('As a general rule, only authors or co-authors should be '.
1882: 'filesystem authenticated '.
1883: '(which allows access to the server filesystem).')."</i>\n";
1.32 matthew 1884: return $result;
1885: }
1886:
1887: sub authform_nochange{
1888: my %in = (
1889: formname => 'document.cu',
1890: kerb_def_dom => 'MSU.EDU',
1891: @_,
1892: );
1.586 raeburn 1893: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1894: my $result;
1895: if (keys(%can_assign) == 0) {
1896: $result = &mt('Under you current role you are not permitted to change login settings for this user');
1897: } else {
1898: $result = '<label>'.&mt('[_1] Do not change login data',
1899: '<input type="radio" name="login" value="nochange" '.
1900: 'checked="checked" onclick="'.
1.281 albertel 1901: "javascript:changed_radio('nochange',$in{'formname'});".'" />').
1902: '</label>';
1.586 raeburn 1903: }
1.32 matthew 1904: return $result;
1905: }
1906:
1.591 raeburn 1907: sub authform_kerberos {
1.32 matthew 1908: my %in = (
1909: formname => 'document.cu',
1910: kerb_def_dom => 'MSU.EDU',
1.80 albertel 1911: kerb_def_auth => 'krb4',
1.32 matthew 1912: @_,
1913: );
1.586 raeburn 1914: my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype,
1915: $autharg,$jscall);
1916: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1.80 albertel 1917: if ($in{'kerb_def_auth'} eq 'krb5') {
1.586 raeburn 1918: $check5 = ' checked="on"';
1.80 albertel 1919: } else {
1.586 raeburn 1920: $check4 = ' checked="on"';
1.80 albertel 1921: }
1.165 raeburn 1922: $krbarg = $in{'kerb_def_dom'};
1.591 raeburn 1923: if (defined($in{'curr_authtype'})) {
1924: if ($in{'curr_authtype'} eq 'krb') {
1.586 raeburn 1925: $krbcheck = ' checked="on"';
1.591 raeburn 1926: if (defined($in{'curr_kerb_ver'})) {
1927: if ($in{'curr_krb_ver'} eq '5') {
1928: $check5 = ' checked="on"';
1929: $check4 = '';
1930: } else {
1931: $check4 = ' checked="on"';
1932: $check5 = '';
1933: }
1.586 raeburn 1934: }
1.591 raeburn 1935: if (defined($in{'curr_autharg'})) {
1.165 raeburn 1936: $krbarg = $in{'curr_autharg'};
1937: }
1.586 raeburn 1938: if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
1.591 raeburn 1939: if (defined($in{'curr_autharg'})) {
1.586 raeburn 1940: $result =
1941: &mt('Currently Kerberos authenticated with domain [_1] Version [_2].',
1942: $in{'curr_autharg'},$krbver);
1943: } else {
1944: $result =
1945: &mt('Currently Kerberos authenticated, Version [_1].',$krbver);
1946: }
1947: return $result;
1948: }
1949: }
1950: } else {
1951: if ($authnum == 1) {
1952: $authtype = '<input type="hidden" name="login" value="krb">';
1.165 raeburn 1953: }
1954: }
1.586 raeburn 1955: if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
1956: return;
1.587 raeburn 1957: } elsif ($authtype eq '') {
1.591 raeburn 1958: if (defined($in{'mode'})) {
1.587 raeburn 1959: if ($in{'mode'} eq 'modifycourse') {
1960: if ($authnum == 1) {
1961: $authtype = '<input type="hidden" name="login" value="krb">';
1962: }
1963: }
1964: }
1.586 raeburn 1965: }
1966: $jscall = "javascript:changed_radio('krb',$in{'formname'});";
1967: if ($authtype eq '') {
1968: $authtype = '<input type="radio" name="login" value="krb" '.
1969: 'onclick="'.$jscall.'" onchange="'.$jscall.'"'.
1970: $krbcheck.' />';
1971: }
1972: if (($can_assign{'krb4'} && $can_assign{'krb5'}) ||
1973: ($can_assign{'krb4'} && !$can_assign{'krb5'} &&
1974: $in{'curr_authtype'} eq 'krb5') ||
1975: (!$can_assign{'krb4'} && $can_assign{'krb5'} &&
1976: $in{'curr_authtype'} eq 'krb4')) {
1977: $result .= &mt
1.144 matthew 1978: ('[_1] Kerberos authenticated with domain [_2] '.
1.281 albertel 1979: '[_3] Version 4 [_4] Version 5 [_5]',
1.586 raeburn 1980: '<label>'.$authtype,
1.281 albertel 1981: '</label><input type="text" size="10" name="krbarg" '.
1.165 raeburn 1982: 'value="'.$krbarg.'" '.
1.144 matthew 1983: 'onchange="'.$jscall.'" />',
1.281 albertel 1984: '<label><input type="radio" name="krbver" value="4" '.$check4.' />',
1985: '</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
1986: '</label>');
1.586 raeburn 1987: } elsif ($can_assign{'krb4'}) {
1988: $result .= &mt
1989: ('[_1] Kerberos authenticated with domain [_2] '.
1990: '[_3] Version 4 [_4]',
1991: '<label>'.$authtype,
1992: '</label><input type="text" size="10" name="krbarg" '.
1993: 'value="'.$krbarg.'" '.
1994: 'onchange="'.$jscall.'" />',
1995: '<label><input type="hidden" name="krbver" value="4" />',
1996: '</label>');
1997: } elsif ($can_assign{'krb5'}) {
1998: $result .= &mt
1999: ('[_1] Kerberos authenticated with domain [_2] '.
2000: '[_3] Version 5 [_4]',
2001: '<label>'.$authtype,
2002: '</label><input type="text" size="10" name="krbarg" '.
2003: 'value="'.$krbarg.'" '.
2004: 'onchange="'.$jscall.'" />',
2005: '<label><input type="hidden" name="krbver" value="5" />',
2006: '</label>');
2007: }
1.32 matthew 2008: return $result;
2009: }
2010:
2011: sub authform_internal{
1.586 raeburn 2012: my %in = (
1.32 matthew 2013: formname => 'document.cu',
2014: kerb_def_dom => 'MSU.EDU',
2015: @_,
2016: );
1.586 raeburn 2017: my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall);
2018: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1.591 raeburn 2019: if (defined($in{'curr_authtype'})) {
2020: if ($in{'curr_authtype'} eq 'int') {
1.586 raeburn 2021: if ($can_assign{'int'}) {
2022: $intcheck = 'checked="on" ';
1.591 raeburn 2023: if (defined($in{'curr_autharg'})) {
1.586 raeburn 2024: $intarg = $in{'curr_autharg'};
2025: }
2026: } else {
2027: $result = &mt('Currently internally authenticated.');
2028: return $result;
1.165 raeburn 2029: }
2030: }
1.586 raeburn 2031: } else {
2032: if ($authnum == 1) {
2033: $authtype = '<input type="hidden" name="login" value="int">';
2034: }
2035: }
2036: if (!$can_assign{'int'}) {
2037: return;
1.587 raeburn 2038: } elsif ($authtype eq '') {
1.591 raeburn 2039: if (defined($in{'mode'})) {
1.587 raeburn 2040: if ($in{'mode'} eq 'modifycourse') {
2041: if ($authnum == 1) {
2042: $authtype = '<input type="hidden" name="login" value="int">';
2043: }
2044: }
2045: }
1.165 raeburn 2046: }
1.586 raeburn 2047: $jscall = "javascript:changed_radio('int',$in{'formname'});";
2048: if ($authtype eq '') {
2049: $authtype = '<input type="radio" name="login" value="int" '.$intcheck.
2050: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />';
2051: }
2052: $autharg = '<input type="text" size="10" name="intarg" value="'.
2053: $intarg.'" onchange="'.$jscall.'" />';
2054: $result = &mt
1.144 matthew 2055: ('[_1] Internally authenticated (with initial password [_2])',
1.586 raeburn 2056: '<label>'.$authtype,'</label>'.$autharg);
1.32 matthew 2057: return $result;
2058: }
2059:
2060: sub authform_local{
2061: my %in = (
2062: formname => 'document.cu',
2063: kerb_def_dom => 'MSU.EDU',
2064: @_,
2065: );
1.586 raeburn 2066: my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall);
2067: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1.591 raeburn 2068: if (defined($in{'curr_authtype'})) {
2069: if ($in{'curr_authtype'} eq 'loc') {
1.586 raeburn 2070: if ($can_assign{'loc'}) {
2071: $loccheck = 'checked="on" ';
1.591 raeburn 2072: if (defined($in{'curr_autharg'})) {
1.586 raeburn 2073: $locarg = $in{'curr_autharg'};
2074: }
2075: } else {
2076: $result = &mt('Currently using local (institutional) authentication.');
2077: return $result;
1.165 raeburn 2078: }
2079: }
1.586 raeburn 2080: } else {
2081: if ($authnum == 1) {
2082: $authtype = '<input type="hidden" name="login" value="loc">';
2083: }
2084: }
2085: if (!$can_assign{'loc'}) {
2086: return;
1.587 raeburn 2087: } elsif ($authtype eq '') {
1.591 raeburn 2088: if (defined($in{'mode'})) {
1.587 raeburn 2089: if ($in{'mode'} eq 'modifycourse') {
2090: if ($authnum == 1) {
2091: $authtype = '<input type="hidden" name="login" value="loc">';
2092: }
2093: }
2094: }
1.165 raeburn 2095: }
1.586 raeburn 2096: $jscall = "javascript:changed_radio('loc',$in{'formname'});";
2097: if ($authtype eq '') {
2098: $authtype = '<input type="radio" name="login" value="loc" '.
2099: $loccheck.' onchange="'.$jscall.'" onclick="'.
2100: $jscall.'" />';
2101: }
2102: $autharg = '<input type="text" size="10" name="locarg" value="'.
2103: $locarg.'" onchange="'.$jscall.'" />';
2104: $result = &mt('[_1] Local Authentication with argument [_2]',
2105: '<label>'.$authtype,'</label>'.$autharg);
1.32 matthew 2106: return $result;
2107: }
2108:
2109: sub authform_filesystem{
2110: my %in = (
2111: formname => 'document.cu',
2112: kerb_def_dom => 'MSU.EDU',
2113: @_,
2114: );
1.586 raeburn 2115: my ($fsyscheck,$result,$authtype,$autharg,$jscall);
2116: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
1.591 raeburn 2117: if (defined($in{'curr_authtype'})) {
2118: if ($in{'curr_authtype'} eq 'fsys') {
1.586 raeburn 2119: if ($can_assign{'fsys'}) {
2120: $fsyscheck = 'checked="on" ';
2121: } else {
2122: $result = &mt('Currently Filesystem Authenticated.');
2123: return $result;
2124: }
2125: }
2126: } else {
2127: if ($authnum == 1) {
2128: $authtype = '<input type="hidden" name="login" value="fsys">';
2129: }
2130: }
2131: if (!$can_assign{'fsys'}) {
2132: return;
1.587 raeburn 2133: } elsif ($authtype eq '') {
1.591 raeburn 2134: if (defined($in{'mode'})) {
1.587 raeburn 2135: if ($in{'mode'} eq 'modifycourse') {
2136: if ($authnum == 1) {
2137: $authtype = '<input type="hidden" name="login" value="fsys">';
2138: }
2139: }
2140: }
1.586 raeburn 2141: }
2142: $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
2143: if ($authtype eq '') {
2144: $authtype = '<input type="radio" name="login" value="fsys" '.
2145: $fsyscheck.' onchange="'.$jscall.'" onclick="'.
2146: $jscall.'" />';
2147: }
2148: $autharg = '<input type="text" size="10" name="fsysarg" value=""'.
2149: ' onchange="'.$jscall.'" />';
2150: $result = &mt
1.144 matthew 2151: ('[_1] Filesystem Authenticated (with initial password [_2])',
1.281 albertel 2152: '<label><input type="radio" name="login" value="fsys" '.
1.586 raeburn 2153: $fsyscheck.'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 2154: '</label><input type="text" size="10" name="fsysarg" value="" '.
1.144 matthew 2155: 'onchange="'.$jscall.'" />');
1.32 matthew 2156: return $result;
2157: }
2158:
1.586 raeburn 2159: sub get_assignable_auth {
2160: my ($dom) = @_;
2161: if ($dom eq '') {
2162: $dom = $env{'request.role.domain'};
2163: }
2164: my %can_assign = (
2165: krb4 => 1,
2166: krb5 => 1,
2167: int => 1,
2168: loc => 1,
2169: );
2170: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom);
2171: if (ref($domconfig{'usercreation'}) eq 'HASH') {
2172: if (ref($domconfig{'usercreation'}{'authtypes'}) eq 'HASH') {
2173: my $authhash = $domconfig{'usercreation'}{'authtypes'};
2174: my $context;
2175: if ($env{'request.role'} =~ /^au/) {
2176: $context = 'author';
2177: } elsif ($env{'request.role'} =~ /^dc/) {
2178: $context = 'domain';
2179: } elsif ($env{'request.course.id'}) {
2180: $context = 'course';
2181: }
2182: if ($context) {
2183: if (ref($authhash->{$context}) eq 'HASH') {
2184: %can_assign = %{$authhash->{$context}};
2185: }
2186: }
2187: }
2188: }
2189: my $authnum = 0;
2190: foreach my $key (keys(%can_assign)) {
2191: if ($can_assign{$key}) {
2192: $authnum ++;
2193: }
2194: }
2195: if ($can_assign{'krb4'} && $can_assign{'krb5'}) {
2196: $authnum --;
2197: }
2198: return ($authnum,%can_assign);
2199: }
2200:
1.80 albertel 2201: ###############################################################
2202: ## Get Authentication Defaults for Domain ##
2203: ###############################################################
2204:
2205: =pod
2206:
1.112 bowersj2 2207: =head1 Domains and Authentication
2208:
2209: Returns default authentication type and an associated argument as
2210: listed in file 'domain.tab'.
2211:
2212: =over 4
2213:
2214: =item * get_auth_defaults
1.80 albertel 2215:
2216: get_auth_defaults($target_domain) returns the default authentication
2217: type and an associated argument (initial password or a kerberos domain).
2218: These values are stored in lonTabs/domain.tab
2219:
2220: ($def_auth, $def_arg) = &get_auth_defaults($target_domain);
2221:
2222: If target_domain is not found in domain.tab, returns nothing ('').
2223:
2224: =cut
2225:
2226: #-------------------------------------------
2227: sub get_auth_defaults {
2228: my $domain=shift;
1.514 albertel 2229: return (&Apache::lonnet::domain($domain,'auth_def'),
2230: &Apache::lonnet::domain($domain,'auth_arg_def'));
2231:
1.80 albertel 2232: }
2233: ###############################################################
2234: ## End Get Authentication Defaults for Domain ##
2235: ###############################################################
2236:
2237: ###############################################################
2238: ## Get Kerberos Defaults for Domain ##
2239: ###############################################################
2240: ##
2241: ## Returns default kerberos version and an associated argument
2242: ## as listed in file domain.tab. If not listed, provides
2243: ## appropriate default domain and kerberos version.
2244: ##
2245: #-------------------------------------------
2246:
2247: =pod
2248:
1.112 bowersj2 2249: =item * get_kerberos_defaults
1.80 albertel 2250:
2251: get_kerberos_defaults($target_domain) returns the default kerberos
2252: version and domain. If not found in domain.tabs, it defaults to
2253: version 4 and the domain of the server.
2254:
2255: ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
2256:
2257: =cut
2258:
2259: #-------------------------------------------
2260: sub get_kerberos_defaults {
2261: my $domain=shift;
2262: my ($krbdef,$krbdefdom) =
2263: &Apache::loncommon::get_auth_defaults($domain);
2264: unless ($krbdef =~/^krb/ && $krbdefdom) {
2265: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
2266: my $krbdefdom=$1;
2267: $krbdefdom=~tr/a-z/A-Z/;
2268: $krbdef = "krb4";
2269: }
2270: return ($krbdef,$krbdefdom);
2271: }
1.112 bowersj2 2272:
2273: =pod
2274:
2275: =back
2276:
2277: =cut
1.32 matthew 2278:
1.46 matthew 2279: ###############################################################
2280: ## Thesaurus Functions ##
2281: ###############################################################
1.20 www 2282:
1.46 matthew 2283: =pod
1.20 www 2284:
1.112 bowersj2 2285: =head1 Thesaurus Functions
2286:
2287: =over 4
2288:
2289: =item * initialize_keywords
1.46 matthew 2290:
2291: Initializes the package variable %Keywords if it is empty. Uses the
2292: package variable $thesaurus_db_file.
2293:
2294: =cut
2295:
2296: ###################################################
2297:
2298: sub initialize_keywords {
2299: return 1 if (scalar keys(%Keywords));
2300: # If we are here, %Keywords is empty, so fill it up
2301: # Make sure the file we need exists...
2302: if (! -e $thesaurus_db_file) {
2303: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file".
2304: " failed because it does not exist");
2305: return 0;
2306: }
2307: # Set up the hash as a database
2308: my %thesaurus_db;
2309: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 2310: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 2311: &Apache::lonnet::logthis("Could not tie \%thesaurus_db to ".
2312: $thesaurus_db_file);
2313: return 0;
2314: }
2315: # Get the average number of appearances of a word.
2316: my $avecount = $thesaurus_db{'average.count'};
2317: # Put keywords (those that appear > average) into %Keywords
2318: while (my ($word,$data)=each (%thesaurus_db)) {
2319: my ($count,undef) = split /:/,$data;
2320: $Keywords{$word}++ if ($count > $avecount);
2321: }
2322: untie %thesaurus_db;
2323: # Remove special values from %Keywords.
1.356 albertel 2324: foreach my $value ('total.count','average.count') {
2325: delete($Keywords{$value}) if (exists($Keywords{$value}));
1.586 raeburn 2326: }
1.46 matthew 2327: return 1;
2328: }
2329:
2330: ###################################################
2331:
2332: =pod
2333:
1.112 bowersj2 2334: =item * keyword($word)
1.46 matthew 2335:
2336: Returns true if $word is a keyword. A keyword is a word that appears more
2337: than the average number of times in the thesaurus database. Calls
2338: &initialize_keywords
2339:
2340: =cut
2341:
2342: ###################################################
1.20 www 2343:
2344: sub keyword {
1.46 matthew 2345: return if (!&initialize_keywords());
2346: my $word=lc(shift());
2347: $word=~s/\W//g;
2348: return exists($Keywords{$word});
1.20 www 2349: }
1.46 matthew 2350:
2351: ###############################################################
2352:
2353: =pod
1.20 www 2354:
1.112 bowersj2 2355: =item * get_related_words
1.46 matthew 2356:
1.160 matthew 2357: Look up a word in the thesaurus. Takes a scalar argument and returns
1.46 matthew 2358: an array of words. If the keyword is not in the thesaurus, an empty array
2359: will be returned. The order of the words returned is determined by the
2360: database which holds them.
2361:
2362: Uses global $thesaurus_db_file.
2363:
2364: =cut
2365:
2366: ###############################################################
2367: sub get_related_words {
2368: my $keyword = shift;
2369: my %thesaurus_db;
2370: if (! -e $thesaurus_db_file) {
2371: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file ".
2372: "failed because the file does not exist");
2373: return ();
2374: }
2375: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 2376: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 2377: return ();
2378: }
2379: my @Words=();
1.429 www 2380: my $count=0;
1.46 matthew 2381: if (exists($thesaurus_db{$keyword})) {
1.356 albertel 2382: # The first element is the number of times
2383: # the word appears. We do not need it now.
1.429 www 2384: my (undef,@RelatedWords) = (split(/:/,$thesaurus_db{$keyword}));
2385: my (undef,$mostfrequentcount)=split(/\,/,$RelatedWords[0]);
2386: my $threshold=$mostfrequentcount/10;
2387: foreach my $possibleword (@RelatedWords) {
2388: my ($word,$wordcount)=split(/\,/,$possibleword);
2389: if ($wordcount>$threshold) {
2390: push(@Words,$word);
2391: $count++;
2392: if ($count>10) { last; }
2393: }
1.20 www 2394: }
2395: }
1.46 matthew 2396: untie %thesaurus_db;
2397: return @Words;
1.14 harris41 2398: }
1.46 matthew 2399:
1.112 bowersj2 2400: =pod
2401:
2402: =back
2403:
2404: =cut
1.61 www 2405:
2406: # -------------------------------------------------------------- Plaintext name
1.81 albertel 2407: =pod
2408:
1.112 bowersj2 2409: =head1 User Name Functions
2410:
2411: =over 4
2412:
1.226 albertel 2413: =item * plainname($uname,$udom,$first)
1.81 albertel 2414:
1.112 bowersj2 2415: Takes a users logon name and returns it as a string in
1.226 albertel 2416: "first middle last generation" form
2417: if $first is set to 'lastname' then it returns it as
2418: 'lastname generation, firstname middlename' if their is a lastname
1.81 albertel 2419:
2420: =cut
1.61 www 2421:
1.295 www 2422:
1.81 albertel 2423: ###############################################################
1.61 www 2424: sub plainname {
1.226 albertel 2425: my ($uname,$udom,$first)=@_;
1.537 albertel 2426: return if (!defined($uname) || !defined($udom));
1.295 www 2427: my %names=&getnames($uname,$udom);
1.226 albertel 2428: my $name=&Apache::lonnet::format_name($names{'firstname'},
2429: $names{'middlename'},
2430: $names{'lastname'},
2431: $names{'generation'},$first);
2432: $name=~s/^\s+//;
1.62 www 2433: $name=~s/\s+$//;
2434: $name=~s/\s+/ /g;
1.353 albertel 2435: if ($name !~ /\S/) { $name=$uname.':'.$udom; }
1.62 www 2436: return $name;
1.61 www 2437: }
1.66 www 2438:
2439: # -------------------------------------------------------------------- Nickname
1.81 albertel 2440: =pod
2441:
1.112 bowersj2 2442: =item * nickname($uname,$udom)
1.81 albertel 2443:
2444: Gets a users name and returns it as a string as
2445:
2446: ""nickname""
1.66 www 2447:
1.81 albertel 2448: if the user has a nickname or
2449:
2450: "first middle last generation"
2451:
2452: if the user does not
2453:
2454: =cut
1.66 www 2455:
2456: sub nickname {
2457: my ($uname,$udom)=@_;
1.537 albertel 2458: return if (!defined($uname) || !defined($udom));
1.295 www 2459: my %names=&getnames($uname,$udom);
1.68 albertel 2460: my $name=$names{'nickname'};
1.66 www 2461: if ($name) {
2462: $name='"'.$name.'"';
2463: } else {
2464: $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
2465: $names{'lastname'}.' '.$names{'generation'};
2466: $name=~s/\s+$//;
2467: $name=~s/\s+/ /g;
2468: }
2469: return $name;
2470: }
2471:
1.295 www 2472: sub getnames {
2473: my ($uname,$udom)=@_;
1.537 albertel 2474: return if (!defined($uname) || !defined($udom));
1.433 albertel 2475: if ($udom eq 'public' && $uname eq 'public') {
2476: return ('lastname' => &mt('Public'));
2477: }
1.295 www 2478: my $id=$uname.':'.$udom;
2479: my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id);
2480: if ($cached) {
2481: return %{$names};
2482: } else {
2483: my %loadnames=&Apache::lonnet::get('environment',
2484: ['firstname','middlename','lastname','generation','nickname'],
2485: $udom,$uname);
2486: &Apache::lonnet::do_cache_new('namescache',$id,\%loadnames);
2487: return %loadnames;
2488: }
2489: }
1.61 www 2490:
1.542 raeburn 2491: # -------------------------------------------------------------------- getemails
2492: =pod
2493:
2494: =item * getemails($uname,$udom)
2495:
2496: Gets a user's email information and returns it as a hash with keys:
2497: notification, critnotification, permanentemail
2498:
2499: For notification and critnotification, values are comma-separated lists
2500: of e-mail address(es); for permanentemail, value is a single e-mail address.
2501:
2502: =cut
2503:
1.466 albertel 2504: sub getemails {
2505: my ($uname,$udom)=@_;
2506: if ($udom eq 'public' && $uname eq 'public') {
2507: return;
2508: }
1.467 www 2509: if (!$udom) { $udom=$env{'user.domain'}; }
2510: if (!$uname) { $uname=$env{'user.name'}; }
1.466 albertel 2511: my $id=$uname.':'.$udom;
2512: my ($names,$cached)=&Apache::lonnet::is_cached_new('emailscache',$id);
2513: if ($cached) {
2514: return %{$names};
2515: } else {
2516: my %loadnames=&Apache::lonnet::get('environment',
2517: ['notification','critnotification',
2518: 'permanentemail'],
2519: $udom,$uname);
2520: &Apache::lonnet::do_cache_new('emailscache',$id,\%loadnames);
2521: return %loadnames;
2522: }
2523: }
2524:
1.551 albertel 2525: sub flush_email_cache {
2526: my ($uname,$udom)=@_;
2527: if (!$udom) { $udom =$env{'user.domain'}; }
2528: if (!$uname) { $uname=$env{'user.name'}; }
2529: return if ($udom eq 'public' && $uname eq 'public');
2530: my $id=$uname.':'.$udom;
2531: &Apache::lonnet::devalidate_cache_new('emailscache',$id);
2532: }
2533:
1.61 www 2534: # ------------------------------------------------------------------ Screenname
1.81 albertel 2535:
2536: =pod
2537:
1.112 bowersj2 2538: =item * screenname($uname,$udom)
1.81 albertel 2539:
2540: Gets a users screenname and returns it as a string
2541:
2542: =cut
1.61 www 2543:
2544: sub screenname {
2545: my ($uname,$udom)=@_;
1.258 albertel 2546: if ($uname eq $env{'user.name'} &&
2547: $udom eq $env{'user.domain'}) {return $env{'environment.screenname'};}
1.212 albertel 2548: my %names=&Apache::lonnet::get('environment',['screenname'],$udom,$uname);
1.68 albertel 2549: return $names{'screenname'};
1.62 www 2550: }
2551:
1.212 albertel 2552:
1.62 www 2553: # ------------------------------------------------------------- Message Wrapper
2554:
2555: sub messagewrapper {
1.369 www 2556: my ($link,$username,$domain,$subject,$text)=@_;
1.62 www 2557: return
1.441 albertel 2558: '<a href="/adm/email?compose=individual&'.
2559: 'recname='.$username.'&recdom='.$domain.
2560: '&subject='.&escape($subject).'&text='.&escape($text).'" '.
1.200 matthew 2561: 'title="'.&mt('Send message').'">'.$link.'</a>';
1.74 www 2562: }
2563: # --------------------------------------------------------------- Notes Wrapper
2564:
2565: sub noteswrapper {
2566: my ($link,$un,$do)=@_;
2567: return
2568: "<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
1.62 www 2569: }
2570: # ------------------------------------------------------------- Aboutme Wrapper
2571:
2572: sub aboutmewrapper {
1.166 www 2573: my ($link,$username,$domain,$target)=@_;
1.447 raeburn 2574: if (!defined($username) && !defined($domain)) {
2575: return;
2576: }
1.205 www 2577: return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
1.454 banghart 2578: ($target?' target="$target"':'').' title="'.&mt("View this user's personal page").'">'.$link.'</a>';
1.62 www 2579: }
2580:
2581: # ------------------------------------------------------------ Syllabus Wrapper
2582:
2583:
2584: sub syllabuswrapper {
1.109 matthew 2585: my ($linktext,$coursedir,$domain,$fontcolor)=@_;
2586: if ($fontcolor) {
2587: $linktext='<font color="'.$fontcolor.'">'.$linktext.'</font>';
2588: }
1.208 matthew 2589: return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
1.61 www 2590: }
1.14 harris41 2591:
1.208 matthew 2592: sub track_student_link {
1.268 albertel 2593: my ($linktext,$sname,$sdom,$target,$start) = @_;
2594: my $link ="/adm/trackstudent?";
1.208 matthew 2595: my $title = 'View recent activity';
2596: if (defined($sname) && $sname !~ /^\s*$/ &&
2597: defined($sdom) && $sdom !~ /^\s*$/) {
1.268 albertel 2598: $link .= "selected_student=$sname:$sdom";
1.208 matthew 2599: $title .= ' of this student';
1.268 albertel 2600: }
1.208 matthew 2601: if (defined($target) && $target !~ /^\s*$/) {
2602: $target = qq{target="$target"};
2603: } else {
2604: $target = '';
2605: }
1.268 albertel 2606: if ($start) { $link.='&start='.$start; }
1.554 albertel 2607: $title = &mt($title);
2608: $linktext = &mt($linktext);
1.448 albertel 2609: return qq{<a href="$link" title="$title" $target>$linktext</a>}.
2610: &help_open_topic('View_recent_activity');
1.208 matthew 2611: }
2612:
1.508 www 2613: # ===================================================== Display a student photo
2614:
2615:
1.509 albertel 2616: sub student_image_tag {
1.508 www 2617: my ($domain,$user)=@_;
2618: my $imgsrc=&Apache::lonnet::studentphoto($domain,$user,'jpg');
2619: if (($imgsrc) && ($imgsrc ne '/adm/lonKaputt/lonlogo_broken.gif')) {
2620: return '<img src="'.$imgsrc.'" align="right" />';
2621: } else {
2622: return '';
2623: }
2624: }
2625:
1.112 bowersj2 2626: =pod
2627:
2628: =back
2629:
2630: =head1 Access .tab File Data
2631:
2632: =over 4
2633:
2634: =item * languageids()
2635:
2636: returns list of all language ids
2637:
2638: =cut
2639:
1.14 harris41 2640: sub languageids {
1.16 harris41 2641: return sort(keys(%language));
1.14 harris41 2642: }
2643:
1.112 bowersj2 2644: =pod
2645:
2646: =item * languagedescription()
2647:
2648: returns description of a specified language id
2649:
2650: =cut
2651:
1.14 harris41 2652: sub languagedescription {
1.125 www 2653: my $code=shift;
2654: return ($supported_language{$code}?'* ':'').
2655: $language{$code}.
1.126 www 2656: ($supported_language{$code}?' ('.&mt('interface available').')':'');
1.145 www 2657: }
2658:
2659: sub plainlanguagedescription {
2660: my $code=shift;
2661: return $language{$code};
2662: }
2663:
2664: sub supportedlanguagecode {
2665: my $code=shift;
2666: return $supported_language{$code};
1.97 www 2667: }
2668:
1.112 bowersj2 2669: =pod
2670:
2671: =item * copyrightids()
2672:
2673: returns list of all copyrights
2674:
2675: =cut
2676:
2677: sub copyrightids {
2678: return sort(keys(%cprtag));
2679: }
2680:
2681: =pod
2682:
2683: =item * copyrightdescription()
2684:
2685: returns description of a specified copyright id
2686:
2687: =cut
2688:
2689: sub copyrightdescription {
1.166 www 2690: return &mt($cprtag{shift(@_)});
1.112 bowersj2 2691: }
1.197 matthew 2692:
2693: =pod
2694:
1.192 taceyjo1 2695: =item * source_copyrightids()
2696:
2697: returns list of all source copyrights
2698:
2699: =cut
2700:
2701: sub source_copyrightids {
2702: return sort(keys(%scprtag));
2703: }
2704:
2705: =pod
2706:
2707: =item * source_copyrightdescription()
2708:
2709: returns description of a specified source copyright id
2710:
2711: =cut
2712:
2713: sub source_copyrightdescription {
2714: return &mt($scprtag{shift(@_)});
2715: }
1.112 bowersj2 2716:
2717: =pod
2718:
2719: =item * filecategories()
2720:
2721: returns list of all file categories
2722:
2723: =cut
2724:
2725: sub filecategories {
2726: return sort(keys(%category_extensions));
2727: }
2728:
2729: =pod
2730:
2731: =item * filecategorytypes()
2732:
2733: returns list of file types belonging to a given file
2734: category
2735:
2736: =cut
2737:
2738: sub filecategorytypes {
1.356 albertel 2739: my ($cat) = @_;
2740: return @{$category_extensions{lc($cat)}};
1.112 bowersj2 2741: }
2742:
2743: =pod
2744:
2745: =item * fileembstyle()
2746:
2747: returns embedding style for a specified file type
2748:
2749: =cut
2750:
2751: sub fileembstyle {
2752: return $fe{lc(shift(@_))};
1.169 www 2753: }
2754:
1.351 www 2755: sub filemimetype {
2756: return $fm{lc(shift(@_))};
2757: }
2758:
1.169 www 2759:
2760: sub filecategoryselect {
2761: my ($name,$value)=@_;
1.189 matthew 2762: return &select_form($value,$name,
1.169 www 2763: '' => &mt('Any category'),
2764: map { $_,$_ } sort(keys(%category_extensions)));
1.112 bowersj2 2765: }
2766:
2767: =pod
2768:
2769: =item * filedescription()
2770:
2771: returns description for a specified file type
2772:
2773: =cut
2774:
2775: sub filedescription {
1.188 matthew 2776: my $file_description = $fd{lc(shift())};
2777: $file_description =~ s:([\[\]]):~$1:g;
2778: return &mt($file_description);
1.112 bowersj2 2779: }
2780:
2781: =pod
2782:
2783: =item * filedescriptionex()
2784:
2785: returns description for a specified file type with
2786: extra formatting
2787:
2788: =cut
2789:
2790: sub filedescriptionex {
2791: my $ex=shift;
1.188 matthew 2792: my $file_description = $fd{lc($ex)};
2793: $file_description =~ s:([\[\]]):~$1:g;
2794: return '.'.$ex.' '.&mt($file_description);
1.112 bowersj2 2795: }
2796:
2797: # End of .tab access
2798: =pod
2799:
2800: =back
2801:
2802: =cut
2803:
2804: # ------------------------------------------------------------------ File Types
2805: sub fileextensions {
2806: return sort(keys(%fe));
2807: }
2808:
1.97 www 2809: # ----------------------------------------------------------- Display Languages
2810: # returns a hash with all desired display languages
2811: #
2812:
2813: sub display_languages {
2814: my %languages=();
1.356 albertel 2815: foreach my $lang (&preferred_languages()) {
2816: $languages{$lang}=1;
1.97 www 2817: }
2818: &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
1.258 albertel 2819: if ($env{'form.displaylanguage'}) {
1.356 albertel 2820: foreach my $lang (split(/\s*(\,|\;|\:)\s*/,$env{'form.displaylanguage'})) {
2821: $languages{$lang}=1;
1.97 www 2822: }
2823: }
2824: return %languages;
1.14 harris41 2825: }
2826:
1.117 www 2827: sub preferred_languages {
2828: my @languages=();
1.258 albertel 2829: if ($env{'course.'.$env{'request.course.id'}.'.languages'}) {
1.117 www 2830: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,
1.258 albertel 2831: $env{'course.'.$env{'request.course.id'}.'.languages'}));
1.177 www 2832: }
1.258 albertel 2833: if ($env{'environment.languages'}) {
1.459 albertel 2834: @languages=(@languages,
2835: split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}));
1.118 www 2836: }
1.583 albertel 2837: my $browser=$ENV{'HTTP_ACCEPT_LANGUAGE'};
1.162 www 2838: if ($browser) {
1.583 albertel 2839: my @browser =
2840: map { (split(/\s*;\s*/,$_))[0] } (split(/\s*,\s*/,$browser));
2841: push(@languages,@browser);
1.162 www 2842: }
1.514 albertel 2843: if (&Apache::lonnet::domain($env{'user.domain'},'lang_def')) {
1.118 www 2844: @languages=(@languages,
1.514 albertel 2845: &Apache::lonnet::domain($env{'user.domain'},
2846: 'lang_def'));
1.118 www 2847: }
1.514 albertel 2848: if (&Apache::lonnet::domain($env{'request.role.domain'},'lang_def')) {
1.118 www 2849: @languages=(@languages,
1.514 albertel 2850: &Apache::lonnet::domain($env{'request.role.domain'},
2851: 'lang_def'));
1.118 www 2852: }
1.514 albertel 2853: if (&Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
2854: 'lang_def')) {
1.118 www 2855: @languages=(@languages,
1.514 albertel 2856: &Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},
2857: 'lang_def'));
1.118 www 2858: }
2859: # turn "en-ca" into "en-ca,en"
2860: my @genlanguages;
1.356 albertel 2861: foreach my $lang (@languages) {
2862: unless ($lang=~/\w/) { next; }
1.583 albertel 2863: push(@genlanguages,$lang);
1.356 albertel 2864: if ($lang=~/(\-|\_)/) {
2865: push(@genlanguages,(split(/(\-|\_)/,$lang))[0]);
1.118 www 2866: }
2867: }
1.583 albertel 2868: #uniqueify the languages list
2869: my %count;
2870: @genlanguages = map { $count{$_}++ == 0 ? $_ : () } @genlanguages;
1.118 www 2871: return @genlanguages;
1.117 www 2872: }
2873:
1.582 albertel 2874: sub languages {
2875: my ($possible_langs) = @_;
2876: my @preferred_langs = &preferred_languages();
2877: if (!ref($possible_langs)) {
2878: if( wantarray ) {
2879: return @preferred_langs;
2880: } else {
2881: return $preferred_langs[0];
2882: }
2883: }
2884: my %possibilities = map { $_ => 1 } (@$possible_langs);
2885: my @preferred_possibilities;
2886: foreach my $preferred_lang (@preferred_langs) {
2887: if (exists($possibilities{$preferred_lang})) {
2888: push(@preferred_possibilities, $preferred_lang);
2889: }
2890: }
2891: if( wantarray ) {
2892: return @preferred_possibilities;
2893: }
2894: return $preferred_possibilities[0];
2895: }
2896:
1.112 bowersj2 2897: ###############################################################
2898: ## Student Answer Attempts ##
2899: ###############################################################
2900:
2901: =pod
2902:
2903: =head1 Alternate Problem Views
2904:
2905: =over 4
2906:
2907: =item * get_previous_attempt($symb, $username, $domain, $course,
2908: $getattempt, $regexp, $gradesub)
2909:
2910: Return string with previous attempt on problem. Arguments:
2911:
2912: =over 4
2913:
2914: =item * $symb: Problem, including path
2915:
2916: =item * $username: username of the desired student
2917:
2918: =item * $domain: domain of the desired student
1.14 harris41 2919:
1.112 bowersj2 2920: =item * $course: Course ID
1.14 harris41 2921:
1.112 bowersj2 2922: =item * $getattempt: Leave blank for all attempts, otherwise put
2923: something
1.14 harris41 2924:
1.112 bowersj2 2925: =item * $regexp: if string matches this regexp, the string will be
2926: sent to $gradesub
1.14 harris41 2927:
1.112 bowersj2 2928: =item * $gradesub: routine that processes the string if it matches $regexp
1.14 harris41 2929:
1.112 bowersj2 2930: =back
1.14 harris41 2931:
1.112 bowersj2 2932: The output string is a table containing all desired attempts, if any.
1.16 harris41 2933:
1.112 bowersj2 2934: =cut
1.1 albertel 2935:
2936: sub get_previous_attempt {
1.43 ng 2937: my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub)=@_;
1.1 albertel 2938: my $prevattempts='';
1.43 ng 2939: no strict 'refs';
1.1 albertel 2940: if ($symb) {
1.3 albertel 2941: my (%returnhash)=
2942: &Apache::lonnet::restore($symb,$course,$domain,$username);
1.1 albertel 2943: if ($returnhash{'version'}) {
2944: my %lasthash=();
2945: my $version;
2946: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.356 albertel 2947: foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) {
2948: $lasthash{$key}=$returnhash{$version.':'.$key};
1.19 harris41 2949: }
1.1 albertel 2950: }
1.596 albertel 2951: $prevattempts=&start_data_table().&start_data_table_header_row();
2952: $prevattempts.='<th>'.&mt('History').'</th>';
1.356 albertel 2953: foreach my $key (sort(keys(%lasthash))) {
2954: my ($ign,@parts) = split(/\./,$key);
1.41 ng 2955: if ($#parts > 0) {
1.31 albertel 2956: my $data=$parts[-1];
2957: pop(@parts);
1.596 albertel 2958: $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.' </th>';
1.31 albertel 2959: } else {
1.41 ng 2960: if ($#parts == 0) {
2961: $prevattempts.='<th>'.$parts[0].'</th>';
2962: } else {
2963: $prevattempts.='<th>'.$ign.'</th>';
2964: }
1.31 albertel 2965: }
1.16 harris41 2966: }
1.596 albertel 2967: $prevattempts.=&end_data_table_header_row();
1.40 ng 2968: if ($getattempt eq '') {
2969: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.596 albertel 2970: $prevattempts.=&start_data_table_row().
2971: '<td>'.&mt('Transaction [_1]',$version).'</td>';
1.356 albertel 2972: foreach my $key (sort(keys(%lasthash))) {
1.581 albertel 2973: my $value = &format_previous_attempt_value($key,
2974: $returnhash{$version.':'.$key});
2975: $prevattempts.='<td>'.$value.' </td>';
1.40 ng 2976: }
1.596 albertel 2977: $prevattempts.=&end_data_table_row();
1.40 ng 2978: }
1.1 albertel 2979: }
1.596 albertel 2980: $prevattempts.=&start_data_table_row().'<td>'.&mt('Current').'</td>';
1.356 albertel 2981: foreach my $key (sort(keys(%lasthash))) {
1.581 albertel 2982: my $value = &format_previous_attempt_value($key,$lasthash{$key});
1.356 albertel 2983: if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
1.40 ng 2984: $prevattempts.='<td>'.$value.' </td>';
1.16 harris41 2985: }
1.596 albertel 2986: $prevattempts.= &end_data_table_row().&end_data_table();
1.1 albertel 2987: } else {
1.596 albertel 2988: $prevattempts=
2989: &start_data_table().&start_data_table_row().
2990: '<td>'.&mt('Nothing submitted - no attempts.').'</td>'.
2991: &end_data_table_row().&end_data_table();
1.1 albertel 2992: }
2993: } else {
1.596 albertel 2994: $prevattempts=
2995: &start_data_table().&start_data_table_row().
2996: '<td>'.&mt('No data.').'</td>'.
2997: &end_data_table_row().&end_data_table();
1.1 albertel 2998: }
1.10 albertel 2999: }
3000:
1.581 albertel 3001: sub format_previous_attempt_value {
3002: my ($key,$value) = @_;
3003: if ($key =~ /timestamp/) {
3004: $value = &Apache::lonlocal::locallocaltime($value);
3005: } elsif (ref($value) eq 'ARRAY') {
3006: $value = '('.join(', ', @{ $value }).')';
3007: } else {
3008: $value = &unescape($value);
3009: }
3010: return $value;
3011: }
3012:
3013:
1.107 albertel 3014: sub relative_to_absolute {
3015: my ($url,$output)=@_;
3016: my $parser=HTML::TokeParser->new(\$output);
3017: my $token;
3018: my $thisdir=$url;
3019: my @rlinks=();
3020: while ($token=$parser->get_token) {
3021: if ($token->[0] eq 'S') {
3022: if ($token->[1] eq 'a') {
3023: if ($token->[2]->{'href'}) {
3024: $rlinks[$#rlinks+1]=$token->[2]->{'href'};
3025: }
3026: } elsif ($token->[1] eq 'img' || $token->[1] eq 'embed' ) {
3027: $rlinks[$#rlinks+1]=$token->[2]->{'src'};
3028: } elsif ($token->[1] eq 'base') {
3029: $thisdir=$token->[2]->{'href'};
3030: }
3031: }
3032: }
3033: $thisdir=~s-/[^/]*$--;
1.356 albertel 3034: foreach my $link (@rlinks) {
3035: unless (($link=~/^http:\/\//i) ||
3036: ($link=~/^\//) ||
3037: ($link=~/^javascript:/i) ||
3038: ($link=~/^mailto:/i) ||
3039: ($link=~/^\#/)) {
3040: my $newlocation=&Apache::lonnet::hreflocation($thisdir,$link);
3041: $output=~s/(\"|\'|\=\s*)\Q$link\E(\"|\'|\s|\>)/$1$newlocation$2/;
1.107 albertel 3042: }
3043: }
3044: # -------------------------------------------------- Deal with Applet codebases
3045: $output=~s/(\<applet[^\>]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei;
3046: return $output;
3047: }
3048:
1.112 bowersj2 3049: =pod
3050:
3051: =item * get_student_view
3052:
3053: show a snapshot of what student was looking at
3054:
3055: =cut
3056:
1.10 albertel 3057: sub get_student_view {
1.186 albertel 3058: my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_;
1.114 www 3059: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 3060: my (%form);
1.10 albertel 3061: my @elements=('symb','courseid','domain','username');
3062: foreach my $element (@elements) {
1.186 albertel 3063: $form{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 3064: }
1.186 albertel 3065: if (defined($moreenv)) {
3066: %form=(%form,%{$moreenv});
3067: }
1.236 albertel 3068: if (defined($target)) { $form{'grade_target'} = $target; }
1.107 albertel 3069: $feedurl=&Apache::lonnet::clutter($feedurl);
1.186 albertel 3070: my $userview=&Apache::lonnet::ssi_body($feedurl,%form);
1.11 albertel 3071: $userview=~s/\<body[^\>]*\>//gi;
3072: $userview=~s/\<\/body\>//gi;
3073: $userview=~s/\<html\>//gi;
3074: $userview=~s/\<\/html\>//gi;
3075: $userview=~s/\<head\>//gi;
3076: $userview=~s/\<\/head\>//gi;
3077: $userview=~s/action\s*\=/would_be_action\=/gi;
1.107 albertel 3078: $userview=&relative_to_absolute($feedurl,$userview);
1.11 albertel 3079: return $userview;
3080: }
3081:
1.112 bowersj2 3082: =pod
3083:
3084: =item * get_student_answers()
3085:
3086: show a snapshot of how student was answering problem
3087:
3088: =cut
3089:
1.11 albertel 3090: sub get_student_answers {
1.100 sakharuk 3091: my ($symb,$username,$domain,$courseid,%form) = @_;
1.114 www 3092: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 3093: my (%moreenv);
1.11 albertel 3094: my @elements=('symb','courseid','domain','username');
3095: foreach my $element (@elements) {
1.186 albertel 3096: $moreenv{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 3097: }
1.186 albertel 3098: $moreenv{'grade_target'}='answer';
3099: %moreenv=(%form,%moreenv);
1.497 raeburn 3100: $feedurl = &Apache::lonnet::clutter($feedurl);
3101: my $userview=&Apache::lonnet::ssi($feedurl,%moreenv);
1.10 albertel 3102: return $userview;
1.1 albertel 3103: }
1.116 albertel 3104:
3105: =pod
3106:
3107: =item * &submlink()
3108:
1.242 albertel 3109: Inputs: $text $uname $udom $symb $target
1.116 albertel 3110:
3111: Returns: A link to grades.pm such as to see the SUBM view of a student
3112:
3113: =cut
3114:
3115: ###############################################
3116: sub submlink {
1.242 albertel 3117: my ($text,$uname,$udom,$symb,$target)=@_;
1.116 albertel 3118: if (!($uname && $udom)) {
3119: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 3120: &Apache::lonnet::whichuser($symb);
1.116 albertel 3121: if (!$symb) { $symb=$cursymb; }
3122: }
1.254 matthew 3123: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 3124: $symb=&escape($symb);
1.242 albertel 3125: if ($target) { $target="target=\"$target\""; }
3126: return '<a href="/adm/grades?&command=submission&'.
3127: 'symb='.$symb.'&student='.$uname.
3128: '&userdom='.$udom.'" '.$target.'>'.$text.'</a>';
3129: }
3130: ##############################################
3131:
3132: =pod
3133:
3134: =item * &pgrdlink()
3135:
3136: Inputs: $text $uname $udom $symb $target
3137:
3138: Returns: A link to grades.pm such as to see the PGRD view of a student
3139:
3140: =cut
3141:
3142: ###############################################
3143: sub pgrdlink {
3144: my $link=&submlink(@_);
3145: $link=~s/(&command=submission)/$1&showgrading=yes/;
3146: return $link;
3147: }
3148: ##############################################
3149:
3150: =pod
3151:
3152: =item * &pprmlink()
3153:
3154: Inputs: $text $uname $udom $symb $target
3155:
3156: Returns: A link to parmset.pm such as to see the PPRM view of a
1.283 albertel 3157: student and a specific resource
1.242 albertel 3158:
3159: =cut
3160:
3161: ###############################################
3162: sub pprmlink {
3163: my ($text,$uname,$udom,$symb,$target)=@_;
3164: if (!($uname && $udom)) {
3165: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 3166: &Apache::lonnet::whichuser($symb);
1.242 albertel 3167: if (!$symb) { $symb=$cursymb; }
3168: }
1.254 matthew 3169: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 3170: $symb=&escape($symb);
1.242 albertel 3171: if ($target) { $target="target=\"$target\""; }
1.595 albertel 3172: return '<a href="/adm/parmset?command=set&'.
3173: 'symb='.$symb.'&uname='.$uname.
3174: '&udom='.$udom.'" '.$target.'>'.$text.'</a>';
1.116 albertel 3175: }
3176: ##############################################
1.37 matthew 3177:
1.112 bowersj2 3178: =pod
3179:
3180: =back
3181:
3182: =cut
3183:
1.37 matthew 3184: ###############################################
1.51 www 3185:
3186:
3187: sub timehash {
3188: my @ltime=localtime(shift);
3189: return ( 'seconds' => $ltime[0],
3190: 'minutes' => $ltime[1],
3191: 'hours' => $ltime[2],
3192: 'day' => $ltime[3],
3193: 'month' => $ltime[4]+1,
3194: 'year' => $ltime[5]+1900,
3195: 'weekday' => $ltime[6],
3196: 'dayyear' => $ltime[7]+1,
3197: 'dlsav' => $ltime[8] );
3198: }
3199:
1.370 www 3200: sub utc_string {
3201: my ($date)=@_;
1.371 www 3202: return strftime("%Y%m%dT%H%M%SZ",gmtime($date));
1.370 www 3203: }
3204:
1.51 www 3205: sub maketime {
3206: my %th=@_;
3207: return POSIX::mktime(
3208: ($th{'seconds'},$th{'minutes'},$th{'hours'},
1.210 www 3209: $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
1.70 www 3210: }
3211:
3212: #########################################
1.51 www 3213:
3214: sub findallcourses {
1.482 raeburn 3215: my ($roles,$uname,$udom) = @_;
1.355 albertel 3216: my %roles;
3217: if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; }
1.348 albertel 3218: my %courses;
1.51 www 3219: my $now=time;
1.482 raeburn 3220: if (!defined($uname)) {
3221: $uname = $env{'user.name'};
3222: }
3223: if (!defined($udom)) {
3224: $udom = $env{'user.domain'};
3225: }
3226: if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
3227: my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname);
3228: if (!%roles) {
3229: %roles = (
3230: cc => 1,
3231: in => 1,
3232: ep => 1,
3233: ta => 1,
3234: cr => 1,
3235: st => 1,
3236: );
3237: }
3238: foreach my $entry (keys(%roleshash)) {
3239: my ($trole,$tend,$tstart) = split(/_/,$roleshash{$entry});
3240: if ($trole =~ /^cr/) {
3241: next if (!exists($roles{$trole}) && !exists($roles{'cr'}));
3242: } else {
3243: next if (!exists($roles{$trole}));
3244: }
3245: if ($tend) {
3246: next if ($tend < $now);
3247: }
3248: if ($tstart) {
3249: next if ($tstart > $now);
3250: }
3251: my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec);
3252: (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry);
3253: if ($secpart eq '') {
3254: ($cnum,$role) = split(/_/,$cnumpart);
3255: $sec = 'none';
3256: $realsec = '';
3257: } else {
3258: $cnum = $cnumpart;
3259: ($sec,$role) = split(/_/,$secpart);
3260: $realsec = $sec;
1.490 raeburn 3261: }
1.482 raeburn 3262: $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec;
3263: }
3264: } else {
3265: foreach my $key (keys(%env)) {
1.483 albertel 3266: if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_courseid)/?(\w*)$} ||
3267: $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_courseid)/?(\w*)$}) {
1.482 raeburn 3268: my ($role,$cdom,$cnum,$sec) = ($1,$2,$3,$4);
3269: next if ($role eq 'ca' || $role eq 'aa');
3270: next if (%roles && !exists($roles{$role}));
3271: my ($starttime,$endtime)=split(/\./,$env{$key});
3272: my $active=1;
3273: if ($starttime) {
3274: if ($now<$starttime) { $active=0; }
3275: }
3276: if ($endtime) {
3277: if ($now>$endtime) { $active=0; }
3278: }
3279: if ($active) {
3280: if ($sec eq '') {
3281: $sec = 'none';
3282: }
3283: $courses{$cdom.'_'.$cnum}{$sec} =
3284: $role.'/'.$cdom.'/'.$cnum.'/'.$sec;
1.474 raeburn 3285: }
3286: }
1.51 www 3287: }
3288: }
1.474 raeburn 3289: return %courses;
1.51 www 3290: }
1.37 matthew 3291:
1.54 www 3292: ###############################################
1.474 raeburn 3293:
3294: sub blockcheck {
1.482 raeburn 3295: my ($setters,$activity,$uname,$udom) = @_;
1.490 raeburn 3296:
3297: if (!defined($udom)) {
3298: $udom = $env{'user.domain'};
3299: }
3300: if (!defined($uname)) {
3301: $uname = $env{'user.name'};
3302: }
3303:
3304: # If uname and udom are for a course, check for blocks in the course.
3305:
3306: if (&Apache::lonnet::is_course($udom,$uname)) {
3307: my %records = &Apache::lonnet::dump('comm_block',$udom,$uname);
1.502 raeburn 3308: my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
1.490 raeburn 3309: return ($startblock,$endblock);
3310: }
1.474 raeburn 3311:
1.502 raeburn 3312: my $startblock = 0;
3313: my $endblock = 0;
1.482 raeburn 3314: my %live_courses = &findallcourses(undef,$uname,$udom);
1.474 raeburn 3315:
1.490 raeburn 3316: # If uname is for a user, and activity is course-specific, i.e.,
3317: # boards, chat or groups, check for blocking in current course only.
1.474 raeburn 3318:
1.490 raeburn 3319: if (($activity eq 'boards' || $activity eq 'chat' ||
3320: $activity eq 'groups') && ($env{'request.course.id'})) {
3321: foreach my $key (keys(%live_courses)) {
3322: if ($key ne $env{'request.course.id'}) {
3323: delete($live_courses{$key});
3324: }
3325: }
3326: }
3327:
3328: my $otheruser = 0;
3329: my %own_courses;
3330: if ((($uname ne $env{'user.name'})) || ($udom ne $env{'user.domain'})) {
3331: # Resource belongs to user other than current user.
3332: $otheruser = 1;
3333: # Gather courses for current user
3334: %own_courses =
3335: &findallcourses(undef,$env{'user.name'},$env{'user.domain'});
3336: }
3337:
3338: # Gather active course roles - course coordinator, instructor,
3339: # exam proctor, ta, student, or custom role.
1.474 raeburn 3340:
3341: foreach my $course (keys(%live_courses)) {
1.482 raeburn 3342: my ($cdom,$cnum);
3343: if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) {
3344: $cdom = $env{'course.'.$course.'.domain'};
3345: $cnum = $env{'course.'.$course.'.num'};
3346: } else {
1.490 raeburn 3347: ($cdom,$cnum) = split(/_/,$course);
1.482 raeburn 3348: }
3349: my $no_ownblock = 0;
3350: my $no_userblock = 0;
1.533 raeburn 3351: if ($otheruser && $activity ne 'com') {
1.490 raeburn 3352: # Check if current user has 'evb' priv for this
3353: if (defined($own_courses{$course})) {
3354: foreach my $sec (keys(%{$own_courses{$course}})) {
3355: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
3356: if ($sec ne 'none') {
3357: $checkrole .= '/'.$sec;
3358: }
3359: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
3360: $no_ownblock = 1;
3361: last;
3362: }
3363: }
3364: }
3365: # if they have 'evb' priv and are currently not playing student
3366: next if (($no_ownblock) &&
3367: ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
3368: }
1.474 raeburn 3369: foreach my $sec (keys(%{$live_courses{$course}})) {
1.482 raeburn 3370: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
1.474 raeburn 3371: if ($sec ne 'none') {
1.482 raeburn 3372: $checkrole .= '/'.$sec;
1.474 raeburn 3373: }
1.490 raeburn 3374: if ($otheruser) {
3375: # Resource belongs to user other than current user.
3376: # Assemble privs for that user, and check for 'evb' priv.
1.482 raeburn 3377: my ($trole,$tdom,$tnum,$tsec);
3378: my $entry = $live_courses{$course}{$sec};
3379: if ($entry =~ /^cr/) {
3380: ($trole,$tdom,$tnum,$tsec) =
3381: ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
3382: } else {
3383: ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
3384: }
3385: my ($spec,$area,$trest,%allroles,%userroles);
3386: $area = '/'.$tdom.'/'.$tnum;
3387: $trest = $tnum;
3388: if ($tsec ne '') {
3389: $area .= '/'.$tsec;
3390: $trest .= '/'.$tsec;
3391: }
3392: $spec = $trole.'.'.$area;
3393: if ($trole =~ /^cr/) {
3394: &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
3395: $tdom,$spec,$trest,$area);
3396: } else {
3397: &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
3398: $tdom,$spec,$trest,$area);
3399: }
3400: my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
1.486 raeburn 3401: if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
3402: if ($1) {
3403: $no_userblock = 1;
3404: last;
3405: }
3406: }
1.490 raeburn 3407: } else {
3408: # Resource belongs to current user
3409: # Check for 'evb' priv via lonnet::allowed().
1.482 raeburn 3410: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
3411: $no_ownblock = 1;
3412: last;
3413: }
1.474 raeburn 3414: }
3415: }
3416: # if they have the evb priv and are currently not playing student
1.482 raeburn 3417: next if (($no_ownblock) &&
1.491 albertel 3418: ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
1.482 raeburn 3419: next if ($no_userblock);
1.474 raeburn 3420:
1.490 raeburn 3421: # Retrieve blocking times and identity of blocker for course
3422: # of specified user, unless user has 'evb' privilege.
1.502 raeburn 3423:
3424: my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum);
3425: if (($start != 0) &&
3426: (($startblock == 0) || ($startblock > $start))) {
3427: $startblock = $start;
3428: }
3429: if (($end != 0) &&
3430: (($endblock == 0) || ($endblock < $end))) {
3431: $endblock = $end;
3432: }
1.490 raeburn 3433: }
3434: return ($startblock,$endblock);
3435: }
3436:
3437: sub get_blocks {
3438: my ($setters,$activity,$cdom,$cnum) = @_;
3439: my $startblock = 0;
3440: my $endblock = 0;
3441: my $course = $cdom.'_'.$cnum;
3442: $setters->{$course} = {};
3443: $setters->{$course}{'staff'} = [];
3444: $setters->{$course}{'times'} = [];
3445: my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
3446: foreach my $record (keys(%records)) {
3447: my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
3448: if ($start <= time && $end >= time) {
3449: my ($staff_name,$staff_dom,$title,$blocks) =
3450: &parse_block_record($records{$record});
3451: if ($blocks->{$activity} eq 'on') {
3452: push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
3453: push(@{$$setters{$course}{'times'}}, [$start,$end]);
1.491 albertel 3454: if ( ($startblock == 0) || ($startblock > $start) ) {
3455: $startblock = $start;
1.490 raeburn 3456: }
1.491 albertel 3457: if ( ($endblock == 0) || ($endblock < $end) ) {
3458: $endblock = $end;
1.474 raeburn 3459: }
3460: }
3461: }
3462: }
3463: return ($startblock,$endblock);
3464: }
3465:
3466: sub parse_block_record {
3467: my ($record) = @_;
3468: my ($setuname,$setudom,$title,$blocks);
3469: if (ref($record) eq 'HASH') {
3470: ($setuname,$setudom) = split(/:/,$record->{'setter'});
3471: $title = &unescape($record->{'event'});
3472: $blocks = $record->{'blocks'};
3473: } else {
3474: my @data = split(/:/,$record,3);
3475: if (scalar(@data) eq 2) {
3476: $title = $data[1];
3477: ($setuname,$setudom) = split(/@/,$data[0]);
3478: } else {
3479: ($setuname,$setudom,$title) = @data;
3480: }
3481: $blocks = { 'com' => 'on' };
3482: }
3483: return ($setuname,$setudom,$title,$blocks);
3484: }
3485:
3486: sub build_block_table {
3487: my ($startblock,$endblock,$setters) = @_;
3488: my %lt = &Apache::lonlocal::texthash(
3489: 'cacb' => 'Currently active communication blocks',
3490: 'cour' => 'Course',
3491: 'dura' => 'Duration',
3492: 'blse' => 'Block set by'
3493: );
3494: my $output;
1.476 raeburn 3495: $output = '<br />'.$lt{'cacb'}.':<br />';
1.474 raeburn 3496: $output .= &start_data_table();
3497: $output .= '
3498: <tr>
3499: <th>'.$lt{'cour'}.'</th>
3500: <th>'.$lt{'dura'}.'</th>
3501: <th>'.$lt{'blse'}.'</th>
3502: </tr>
3503: ';
3504: foreach my $course (keys(%{$setters})) {
3505: my %courseinfo=&Apache::lonnet::coursedescription($course);
3506: for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
3507: my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
1.490 raeburn 3508: my $fullname = &plainname($uname,$udom);
3509: if (defined($env{'user.name'}) && defined($env{'user.domain'})
3510: && $env{'user.name'} ne 'public'
3511: && $env{'user.domain'} ne 'public') {
3512: $fullname = &aboutmewrapper($fullname,$uname,$udom);
3513: }
1.474 raeburn 3514: my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
3515: $openblock = &Apache::lonlocal::locallocaltime($openblock);
3516: $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
3517: $output .= &Apache::loncommon::start_data_table_row().
3518: '<td>'.$courseinfo{'description'}.'</td>'.
3519: '<td>'.$openblock.' to '.$closeblock.'</td>'.
1.490 raeburn 3520: '<td>'.$fullname.'</td>'.
1.474 raeburn 3521: &Apache::loncommon::end_data_table_row();
3522: }
3523: }
3524: $output .= &end_data_table();
3525: }
3526:
1.490 raeburn 3527: sub blocking_status {
3528: my ($activity,$uname,$udom) = @_;
3529: my %setters;
3530: my ($blocked,$output,$ownitem,$is_course);
3531: my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom);
3532: if ($startblock && $endblock) {
3533: $blocked = 1;
3534: if (wantarray) {
3535: my $category;
3536: if ($activity eq 'boards') {
3537: $category = 'Discussion posts in this course';
3538: } elsif ($activity eq 'blogs') {
3539: $category = 'Blogs';
3540: } elsif ($activity eq 'port') {
3541: if (defined($uname) && defined($udom)) {
3542: if ($uname eq $env{'user.name'} &&
3543: $udom eq $env{'user.domain'}) {
3544: $ownitem = 1;
3545: }
3546: }
3547: $is_course = &Apache::lonnet::is_course($udom,$uname);
3548: if ($ownitem) {
3549: $category = 'Your portfolio files';
3550: } elsif ($is_course) {
3551: my $coursedesc;
3552: foreach my $course (keys(%setters)) {
3553: my %courseinfo =
3554: &Apache::lonnet::coursedescription($course);
3555: $coursedesc = $courseinfo{'description'};
3556: }
3557: $category = "Group files in the course '$coursedesc'";
3558: } else {
3559: $category = 'Portfolio files belonging to ';
3560: if ($env{'user.name'} eq 'public' &&
3561: $env{'user.domain'} eq 'public') {
3562: $category .= &plainname($uname,$udom);
3563: } else {
3564: $category .= &aboutmewrapper(&plainname($uname,$udom),$uname,$udom);
3565: }
3566: }
3567: } elsif ($activity eq 'groups') {
3568: $category = 'Groups in this course';
3569: }
3570: my $showstart = &Apache::lonlocal::locallocaltime($startblock);
3571: my $showend = &Apache::lonlocal::locallocaltime($endblock);
3572: $output = '<br />'.&mt('[_1] will be inaccessible between [_2] and [_3] because communication is being blocked.',$category,$showstart,$showend).'<br />';
3573: if (!($activity eq 'port' && !($ownitem) && !($is_course))) {
3574: $output .= &build_block_table($startblock,$endblock,\%setters);
3575: }
3576: }
3577: }
3578: if (wantarray) {
3579: return ($blocked,$output);
3580: } else {
3581: return $blocked;
3582: }
3583: }
3584:
1.60 matthew 3585: ###############################################
3586:
3587: =pod
3588:
1.112 bowersj2 3589: =head1 Domain Template Functions
3590:
3591: =over 4
3592:
3593: =item * &determinedomain()
1.60 matthew 3594:
3595: Inputs: $domain (usually will be undef)
3596:
1.63 www 3597: Returns: Determines which domain should be used for designs
1.60 matthew 3598:
3599: =cut
1.54 www 3600:
1.60 matthew 3601: ###############################################
1.63 www 3602: sub determinedomain {
3603: my $domain=shift;
1.531 albertel 3604: if (! $domain) {
1.60 matthew 3605: # Determine domain if we have not been given one
3606: $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
1.258 albertel 3607: if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
3608: if ($env{'request.role.domain'}) {
3609: $domain=$env{'request.role.domain'};
1.60 matthew 3610: }
3611: }
1.63 www 3612: return $domain;
3613: }
3614: ###############################################
1.517 raeburn 3615:
1.518 albertel 3616: sub devalidate_domconfig_cache {
3617: my ($udom)=@_;
3618: &Apache::lonnet::devalidate_cache_new('domainconfig',$udom);
3619: }
3620:
3621: # ---------------------- Get domain configuration for a domain
3622: sub get_domainconf {
3623: my ($udom) = @_;
3624: my $cachetime=1800;
3625: my ($result,$cached)=&Apache::lonnet::is_cached_new('domainconfig',$udom);
3626: if (defined($cached)) { return %{$result}; }
3627:
3628: my %domconfig = &Apache::lonnet::get_dom('configuration',
3629: ['login','rolecolors'],$udom);
3630: my %designhash;
3631: if (keys(%domconfig) > 0) {
3632: if (ref($domconfig{'login'}) eq 'HASH') {
3633: foreach my $key (keys(%{$domconfig{'login'}})) {
3634: $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
3635: }
3636: }
3637: if (ref($domconfig{'rolecolors'}) eq 'HASH') {
3638: foreach my $role (keys(%{$domconfig{'rolecolors'}})) {
3639: if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {
3640: foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {
3641: $designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};
3642: }
3643: }
3644: }
3645: }
3646: } else {
3647: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
3648: my $designfile = $designdir.'/'.$udom.'.tab';
3649: if (-e $designfile) {
3650: if ( open (my $fh,"<$designfile") ) {
3651: while (my $line = <$fh>) {
3652: next if ($line =~ /^\#/);
3653: chomp($line);
3654: my ($key,$val)=(split(/\=/,$line));
3655: if ($val) { $designhash{$udom.'.'.$key}=$val; }
3656: }
3657: close($fh);
3658: }
3659: }
3660: if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
1.519 raeburn 3661: $designhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
1.518 albertel 3662: }
3663: }
3664: &Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash,
3665: $cachetime);
3666: return %designhash;
3667: }
3668:
1.63 www 3669: =pod
3670:
1.112 bowersj2 3671: =item * &domainlogo()
1.63 www 3672:
3673: Inputs: $domain (usually will be undef)
3674:
3675: Returns: A link to a domain logo, if the domain logo exists.
3676: If the domain logo does not exist, a description of the domain.
3677:
3678: =cut
1.112 bowersj2 3679:
1.63 www 3680: ###############################################
3681: sub domainlogo {
1.517 raeburn 3682: my $domain = &determinedomain(shift);
1.518 albertel 3683: my %designhash = &get_domainconf($domain);
1.517 raeburn 3684: # See if there is a logo
3685: if ($designhash{$domain.'.login.domlogo'} ne '') {
1.519 raeburn 3686: my $imgsrc = $designhash{$domain.'.login.domlogo'};
1.538 albertel 3687: if ($imgsrc =~ m{^/(adm|res)/}) {
3688: if ($imgsrc =~ m{^/res/}) {
3689: my $local_name = &Apache::lonnet::filelocation('',$imgsrc);
3690: &Apache::lonnet::repcopy($local_name);
3691: }
3692: $imgsrc = &lonhttpdurl($imgsrc);
1.519 raeburn 3693: }
3694: return '<img src="'.$imgsrc.'" alt="'.$domain.'" />';
1.514 albertel 3695: } elsif (defined(&Apache::lonnet::domain($domain,'description'))) {
3696: return &Apache::lonnet::domain($domain,'description');
1.59 www 3697: } else {
1.60 matthew 3698: return '';
1.59 www 3699: }
3700: }
1.63 www 3701: ##############################################
3702:
3703: =pod
3704:
1.112 bowersj2 3705: =item * &designparm()
1.63 www 3706:
3707: Inputs: $which parameter; $domain (usually will be undef)
3708:
3709: Returns: value of designparamter $which
3710:
3711: =cut
1.112 bowersj2 3712:
1.397 albertel 3713:
1.400 albertel 3714: ##############################################
1.397 albertel 3715: sub designparm {
3716: my ($which,$domain)=@_;
1.258 albertel 3717: if ($env{'browser.blackwhite'} eq 'on') {
1.110 www 3718: if ($which=~/\.(font|alink|vlink|link)$/) {
3719: return '#000000';
3720: }
3721: if ($which=~/\.(pgbg|sidebg)$/) {
3722: return '#FFFFFF';
3723: }
3724: if ($which=~/\.tabbg$/) {
3725: return '#CCCCCC';
3726: }
3727: }
1.397 albertel 3728: if (exists($env{'environment.color.'.$which})) {
1.258 albertel 3729: return $env{'environment.color.'.$which};
1.96 www 3730: }
1.63 www 3731: $domain=&determinedomain($domain);
1.518 albertel 3732: my %domdesign = &get_domainconf($domain);
1.520 raeburn 3733: my $output;
1.517 raeburn 3734: if ($domdesign{$domain.'.'.$which} ne '') {
1.520 raeburn 3735: $output = $domdesign{$domain.'.'.$which};
1.63 www 3736: } else {
1.520 raeburn 3737: $output = $defaultdesign{$which};
3738: }
3739: if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
3740: ($which =~ /login\.(img|logo|domlogo)/)) {
1.538 albertel 3741: if ($output =~ m{^/(adm|res)/}) {
3742: if ($output =~ m{^/res/}) {
3743: my $local_name = &Apache::lonnet::filelocation('',$output);
3744: &Apache::lonnet::repcopy($local_name);
3745: }
1.520 raeburn 3746: $output = &lonhttpdurl($output);
3747: }
1.63 www 3748: }
1.520 raeburn 3749: return $output;
1.63 www 3750: }
1.59 www 3751:
1.60 matthew 3752: ###############################################
3753: ###############################################
3754:
3755: =pod
3756:
1.112 bowersj2 3757: =back
3758:
1.549 albertel 3759: =head1 HTML Helpers
1.112 bowersj2 3760:
3761: =over 4
3762:
3763: =item * &bodytag()
1.60 matthew 3764:
3765: Returns a uniform header for LON-CAPA web pages.
3766:
3767: Inputs:
3768:
1.112 bowersj2 3769: =over 4
3770:
3771: =item * $title, A title to be displayed on the page.
3772:
3773: =item * $function, the current role (can be undef).
3774:
3775: =item * $addentries, extra parameters for the <body> tag.
3776:
3777: =item * $bodyonly, if defined, only return the <body> tag.
3778:
3779: =item * $domain, if defined, force a given domain.
3780:
3781: =item * $forcereg, if page should register as content page (relevant for
1.86 www 3782: text interface only)
1.60 matthew 3783:
1.326 albertel 3784: =item * $customtitle, alternate text to use instead of $title
3785: in the title box that appears, this text
3786: is not auto translated like the $title is
1.309 albertel 3787:
3788: =item * $notopbar, if true, keep the 'what is this' info but remove the
3789: navigational links
1.317 albertel 3790:
1.338 albertel 3791: =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
3792:
3793: =item * $notitle, if true keep the nav controls, but remove the title bar
3794:
1.361 albertel 3795: =item * $no_inline_link, if true and in remote mode, don't show the
3796: 'Switch To Inline Menu' link
3797:
1.460 albertel 3798: =item * $args, optional argument valid values are
3799: no_auto_mt_title -> prevents &mt()ing the title arg
1.562 albertel 3800: inherit_jsmath -> when creating popup window in a page,
3801: should it have jsmath forced on by the
3802: current page
1.460 albertel 3803:
1.112 bowersj2 3804: =back
3805:
1.60 matthew 3806: Returns: A uniform header for LON-CAPA web pages.
3807: If $bodyonly is nonzero, a string containing a <body> tag will be returned.
3808: If $bodyonly is undef or zero, an html string containing a <body> tag and
3809: other decorations will be returned.
3810:
3811: =cut
3812:
1.54 www 3813: sub bodytag {
1.309 albertel 3814: my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle,
1.460 albertel 3815: $notopbar,$bgcolor,$notitle,$no_inline_link,$args)=@_;
1.339 albertel 3816:
1.460 albertel 3817: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
1.339 albertel 3818:
1.183 matthew 3819: $function = &get_users_function() if (!$function);
1.339 albertel 3820: my $img = &designparm($function.'.img',$domain);
3821: my $font = &designparm($function.'.font',$domain);
3822: my $pgbg = $bgcolor || &designparm($function.'.pgbg',$domain);
3823:
3824: my %design = ( 'style' => 'margin-top: 0px',
1.535 albertel 3825: 'bgcolor' => $pgbg,
1.339 albertel 3826: 'text' => $font,
3827: 'alink' => &designparm($function.'.alink',$domain),
3828: 'vlink' => &designparm($function.'.vlink',$domain),
3829: 'link' => &designparm($function.'.link',$domain),);
1.438 albertel 3830: @design{keys(%$addentries)} = @$addentries{keys(%$addentries)};
1.339 albertel 3831:
1.63 www 3832: # role and realm
1.378 raeburn 3833: my ($role,$realm) = split(/\./,$env{'request.role'},2);
3834: if ($role eq 'ca') {
1.479 albertel 3835: my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
1.500 albertel 3836: $realm = &plainname($rname,$rdom);
1.378 raeburn 3837: }
1.55 www 3838: # realm
1.258 albertel 3839: if ($env{'request.course.id'}) {
1.378 raeburn 3840: if ($env{'request.role'} !~ /^cr/) {
3841: $role = &Apache::lonnet::plaintext($role,&course_type());
3842: }
1.359 albertel 3843: $realm = $env{'course.'.$env{'request.course.id'}.'.description'};
1.378 raeburn 3844: } else {
3845: $role = &Apache::lonnet::plaintext($role);
1.54 www 3846: }
1.433 albertel 3847:
1.359 albertel 3848: if (!$realm) { $realm=' '; }
1.55 www 3849: # Set messages
1.60 matthew 3850: my $messages=&domainlogo($domain);
1.330 albertel 3851:
1.438 albertel 3852: my $extra_body_attr = &make_attr_string($forcereg,\%design);
1.329 albertel 3853:
1.101 www 3854: # construct main body tag
1.359 albertel 3855: my $bodytag = "<body $extra_body_attr>".
1.562 albertel 3856: &Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'});
1.252 albertel 3857:
1.530 albertel 3858: if ($bodyonly) {
1.60 matthew 3859: return $bodytag;
1.258 albertel 3860: } elsif ($env{'browser.interface'} eq 'textual') {
1.95 www 3861: # Accessibility
1.224 raeburn 3862:
1.337 albertel 3863: $bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg);
1.338 albertel 3864: if (!$notitle) {
1.337 albertel 3865: $bodytag.='<h1>LON-CAPA: '.$title.'</h1>';
3866: }
3867: return $bodytag;
1.359 albertel 3868: }
3869:
1.410 albertel 3870: my $name = &plainname($env{'user.name'},$env{'user.domain'});
1.433 albertel 3871: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
3872: undef($role);
1.434 albertel 3873: } else {
3874: $name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
1.433 albertel 3875: }
1.359 albertel 3876:
3877: my $roleinfo=(<<ENDROLE);
3878: <td class="LC_title_bar_who">
3879: <div class="LC_title_bar_name">
1.410 albertel 3880: $name
1.361 albertel 3881:
1.359 albertel 3882: </div>
3883: <div class="LC_title_bar_role">
1.361 albertel 3884: $role
1.359 albertel 3885: </div>
3886: <div class="LC_title_bar_realm">
1.361 albertel 3887: $realm
1.359 albertel 3888: </div>
1.206 albertel 3889: </td>
3890: ENDROLE
1.235 raeburn 3891:
1.359 albertel 3892: my $titleinfo = '<span class="LC_title_bar_title">'.$title.'</span>';
3893: if ($customtitle) {
3894: $titleinfo = $customtitle;
3895: }
3896: #
3897: # Extra info if you are the DC
3898: my $dc_info = '';
3899: if ($env{'user.adv'} && exists($env{'user.role.dc./'.
3900: $env{'course.'.$env{'request.course.id'}.
3901: '.domain'}.'/'})) {
3902: my $cid = $env{'request.course.id'};
3903: $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
1.380 www 3904: $dc_info =~ s/\s+$//;
1.359 albertel 3905: $dc_info = '('.$dc_info.')';
3906: }
3907:
3908: if ($env{'environment.remote'} eq 'off') {
3909: # No Remote
1.258 albertel 3910: if ($env{'request.state'} eq 'construct') {
1.359 albertel 3911: $forcereg=1;
3912: }
3913:
3914: if (!$customtitle && $env{'request.state'} eq 'construct') {
3915: # this is for resources; directories have customtitle, and crumbs
3916: # and select recent are created in lonpubdir.pm
1.229 albertel 3917: my ($uname,$thisdisfn)=
1.258 albertel 3918: ($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
1.229 albertel 3919: my $formaction='/priv/'.$uname.'/'.$thisdisfn;
3920: $formaction=~s/\/+/\//g;
3921:
1.359 albertel 3922: my $parentpath = '';
3923: my $lastitem = '';
3924: if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
3925: $parentpath = $1;
3926: $lastitem = $2;
3927: } else {
3928: $lastitem = $thisdisfn;
3929: }
3930: $titleinfo =
1.401 albertel 3931: &Apache::loncommon::help_open_menu('','',3,'Authoring').
1.359 albertel 3932: '<b>Construction Space</b>: '.
3933: '<form name="dirs" method="post" action="'.$formaction
3934: .'" target="_top"><tt><b>'
3935: .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"
3936: .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
3937: .'</form>'
3938: .&Apache::lonmenu::constspaceform();
1.235 raeburn 3939: }
1.359 albertel 3940:
1.337 albertel 3941: my $titletable;
1.338 albertel 3942: if (!$notitle) {
1.337 albertel 3943: $titletable =
1.359 albertel 3944: '<table id="LC_title_bar">'.
3945: "<tr><td> $titleinfo $dc_info</td>".$roleinfo.
3946: '</tr></table>';
1.337 albertel 3947: }
1.359 albertel 3948: if ($notopbar) {
3949: $bodytag .= $titletable;
3950: } else {
3951: if ($env{'request.state'} eq 'construct') {
1.337 albertel 3952: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg,
3953: $titletable);
1.272 raeburn 3954: } else {
1.336 albertel 3955: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg).
1.359 albertel 3956: $titletable;
1.272 raeburn 3957: }
1.235 raeburn 3958: }
3959: return $bodytag;
1.94 www 3960: }
1.95 www 3961:
1.93 www 3962: #
1.95 www 3963: # Top frame rendering, Remote is up
1.93 www 3964: #
1.359 albertel 3965:
1.517 raeburn 3966: my $imgsrc = $img;
3967: if ($img =~ /^\/adm/) {
1.575 albertel 3968: $imgsrc = &lonhttpdurl($img);
1.517 raeburn 3969: }
3970: my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';
1.359 albertel 3971:
1.305 www 3972: # Explicit link to get inline menu
1.361 albertel 3973: my $menu= ($no_inline_link?''
3974: :'<br /><a href="/adm/remote?action=collapse">'.&mt('Switch to Inline Menu Mode').'</a>');
1.245 matthew 3975: #
1.338 albertel 3976: if ($notitle) {
1.337 albertel 3977: return $bodytag;
3978: }
1.94 www 3979: return(<<ENDBODY);
1.60 matthew 3980: $bodytag
1.359 albertel 3981: <table id="LC_title_bar" class="LC_with_remote">
1.368 albertel 3982: <tr><td class="LC_title_bar_role_logo">$upperleft</td>
1.359 albertel 3983: <td class="LC_title_bar_domain_logo">$messages </td>
1.54 www 3984: </tr>
1.359 albertel 3985: <tr><td>$titleinfo $dc_info $menu</td>
3986: $roleinfo
1.368 albertel 3987: </tr>
1.356 albertel 3988: </table>
1.54 www 3989: ENDBODY
1.182 matthew 3990: }
3991:
1.330 albertel 3992: sub make_attr_string {
3993: my ($register,$attr_ref) = @_;
3994:
3995: if ($attr_ref && !ref($attr_ref)) {
3996: die("addentries Must be a hash ref ".
3997: join(':',caller(1))." ".
3998: join(':',caller(0))." ");
3999: }
4000:
4001: if ($register) {
1.339 albertel 4002: my ($on_load,$on_unload);
4003: foreach my $key (keys(%{$attr_ref})) {
4004: if (lc($key) eq 'onload') {
4005: $on_load.=$attr_ref->{$key}.';';
4006: delete($attr_ref->{$key});
4007:
4008: } elsif (lc($key) eq 'onunload') {
4009: $on_unload.=$attr_ref->{$key}.';';
4010: delete($attr_ref->{$key});
4011: }
4012: }
4013: $attr_ref->{'onload'} =
4014: &Apache::lonmenu::loadevents(). $on_load;
4015: $attr_ref->{'onunload'}=
4016: &Apache::lonmenu::unloadevents().$on_unload;
4017: }
4018:
4019: # Accessibility font enhance
4020: if ($env{'browser.fontenhance'} eq 'on') {
4021: my $style;
4022: foreach my $key (keys(%{$attr_ref})) {
4023: if (lc($key) eq 'style') {
4024: $style.=$attr_ref->{$key}.';';
4025: delete($attr_ref->{$key});
4026: }
4027: }
4028: $attr_ref->{'style'}=$style.'; font-size: x-large;';
1.330 albertel 4029: }
1.339 albertel 4030:
4031: if ($env{'browser.blackwhite'} eq 'on') {
4032: delete($attr_ref->{'font'});
4033: delete($attr_ref->{'link'});
4034: delete($attr_ref->{'alink'});
4035: delete($attr_ref->{'vlink'});
4036: delete($attr_ref->{'bgcolor'});
4037: delete($attr_ref->{'background'});
4038: }
4039:
1.330 albertel 4040: my $attr_string;
4041: foreach my $attr (keys(%$attr_ref)) {
4042: $attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
4043: }
4044: return $attr_string;
4045: }
4046:
4047:
1.182 matthew 4048: ###############################################
1.251 albertel 4049: ###############################################
4050:
4051: =pod
4052:
4053: =item * &endbodytag()
4054:
4055: Returns a uniform footer for LON-CAPA web pages.
4056:
1.306 albertel 4057: Inputs: none
1.251 albertel 4058:
4059: =cut
4060:
4061: sub endbodytag {
4062: my $endbodytag='</body>';
1.269 albertel 4063: $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
1.315 albertel 4064: if ( exists( $env{'internal.head.redirect'} ) ) {
4065: $endbodytag=
4066: "<br /><a href=\"$env{'internal.head.redirect'}\">".
4067: &mt('Continue').'</a>'.
4068: $endbodytag;
4069: }
1.251 albertel 4070: return $endbodytag;
4071: }
4072:
1.352 albertel 4073: =pod
4074:
4075: =item * &standard_css()
4076:
4077: Returns a style sheet
4078:
4079: Inputs: (all optional)
4080: domain -> force to color decorate a page for a specific
4081: domain
4082: function -> force usage of a specific rolish color scheme
4083: bgcolor -> override the default page bgcolor
4084:
4085: =cut
4086:
1.343 albertel 4087: sub standard_css {
1.345 albertel 4088: my ($function,$domain,$bgcolor) = @_;
1.352 albertel 4089: $function = &get_users_function() if (!$function);
4090: my $img = &designparm($function.'.img', $domain);
4091: my $tabbg = &designparm($function.'.tabbg', $domain);
4092: my $font = &designparm($function.'.font', $domain);
1.345 albertel 4093: my $sidebg = &designparm($function.'.sidebg',$domain);
1.382 albertel 4094: my $pgbg_or_bgcolor =
4095: $bgcolor ||
1.352 albertel 4096: &designparm($function.'.pgbg', $domain);
1.382 albertel 4097: my $pgbg = &designparm($function.'.pgbg', $domain);
1.352 albertel 4098: my $alink = &designparm($function.'.alink', $domain);
4099: my $vlink = &designparm($function.'.vlink', $domain);
4100: my $link = &designparm($function.'.link', $domain);
4101:
1.602 albertel 4102: my $sans = 'Verdana,Arial,Helvetica,sans-serif';
1.395 albertel 4103: my $mono = 'monospace';
1.352 albertel 4104: my $data_table_head = $tabbg;
4105: my $data_table_light = '#EEEEEE';
1.470 banghart 4106: my $data_table_dark = '#DDDDDD';
4107: my $data_table_darker = '#CCCCCC';
1.349 albertel 4108: my $data_table_highlight = '#FFFF00';
1.352 albertel 4109: my $mail_new = '#FFBB77';
4110: my $mail_new_hover = '#DD9955';
4111: my $mail_read = '#BBBB77';
4112: my $mail_read_hover = '#999944';
4113: my $mail_replied = '#AAAA88';
4114: my $mail_replied_hover = '#888855';
4115: my $mail_other = '#99BBBB';
4116: my $mail_other_hover = '#669999';
1.391 albertel 4117: my $table_header = '#DDDDDD';
1.489 raeburn 4118: my $feedback_link_bg = '#BBBBBB';
1.392 albertel 4119:
4120: my $border = ($env{'browser.type'} eq 'explorer') ? '0px 2px 0px 2px'
4121: : '0px 3px 0px 4px';
1.448 albertel 4122:
1.523 albertel 4123:
1.343 albertel 4124: return <<END;
1.345 albertel 4125: h1, h2, h3, th { font-family: $sans }
1.343 albertel 4126: a:focus { color: red; background: yellow }
1.510 albertel 4127: table.thinborder,
1.523 albertel 4128:
1.510 albertel 4129: table.thinborder tr th {
4130: border-style: solid;
4131: border-width: 1px;
4132: background: $tabbg;
4133: }
1.523 albertel 4134: table.thinborder tr td {
1.510 albertel 4135: border-style: solid;
4136: border-width: 1px
4137: }
1.426 albertel 4138:
1.343 albertel 4139: form, .inline { display: inline; }
4140: .center { text-align: center; }
1.593 albertel 4141: .LC_filename {font-family: $mono; white-space:pre;}
1.350 albertel 4142: .LC_error {
4143: color: red;
4144: font-size: larger;
4145: }
1.457 albertel 4146: .LC_warning,
4147: .LC_diff_removed {
1.394 albertel 4148: color: red;
4149: }
1.532 albertel 4150:
4151: .LC_info,
1.457 albertel 4152: .LC_success,
4153: .LC_diff_added {
1.350 albertel 4154: color: green;
4155: }
1.543 albertel 4156: .LC_unknown {
4157: color: yellow;
4158: }
4159:
1.440 albertel 4160: .LC_icon {
4161: border: 0px;
4162: }
1.539 albertel 4163: .LC_indexer_icon {
4164: border: 0px;
4165: height: 22px;
4166: }
1.543 albertel 4167: .LC_docs_spacer {
4168: width: 25px;
4169: height: 1px;
4170: border: 0px;
4171: }
1.346 albertel 4172:
1.532 albertel 4173: .LC_internal_info {
4174: color: #999;
4175: }
4176:
1.458 albertel 4177: table.LC_pastsubmission {
4178: border: 1px solid black;
4179: margin: 2px;
4180: }
4181:
1.392 albertel 4182: table#LC_top_nav, table#LC_menubuttons {
1.345 albertel 4183: width: 100%;
4184: background: $pgbg;
1.392 albertel 4185: border: 2px;
1.402 albertel 4186: border-collapse: separate;
1.403 albertel 4187: padding: 0px;
1.345 albertel 4188: }
1.392 albertel 4189:
1.409 albertel 4190: table#LC_title_bar, table.LC_breadcrumbs, table#LC_nav_location,
1.393 albertel 4191: table#LC_title_bar.LC_with_remote {
1.359 albertel 4192: width: 100%;
1.392 albertel 4193: border-color: $pgbg;
4194: border-style: solid;
4195: border-width: $border;
4196:
1.379 albertel 4197: background: $pgbg;
4198: font-family: $sans;
1.392 albertel 4199: border-collapse: collapse;
1.403 albertel 4200: padding: 0px;
1.359 albertel 4201: }
1.392 albertel 4202:
1.409 albertel 4203: table.LC_docs_path {
4204: width: 100%;
4205: border: 0;
4206: background: $pgbg;
4207: font-family: $sans;
4208: border-collapse: collapse;
4209: padding: 0px;
4210: }
4211:
1.359 albertel 4212: table#LC_title_bar td {
4213: background: $tabbg;
4214: }
4215: table#LC_title_bar td.LC_title_bar_who {
4216: background: $tabbg;
4217: color: $font;
1.427 albertel 4218: font: small $sans;
1.359 albertel 4219: text-align: right;
4220: }
1.469 banghart 4221: span.LC_metadata {
4222: font-family: $sans;
4223: }
1.359 albertel 4224: span.LC_title_bar_title {
1.416 albertel 4225: font: bold x-large $sans;
1.359 albertel 4226: }
4227: table#LC_title_bar td.LC_title_bar_domain_logo {
4228: background: $sidebg;
4229: text-align: right;
1.368 albertel 4230: padding: 0px;
4231: }
4232: table#LC_title_bar td.LC_title_bar_role_logo {
4233: background: $sidebg;
4234: padding: 0px;
1.359 albertel 4235: }
4236:
1.346 albertel 4237: table#LC_menubuttons_mainmenu {
1.526 www 4238: width: 100%;
1.346 albertel 4239: border: 0px;
4240: border-spacing: 1px;
1.372 albertel 4241: padding: 0px 1px;
1.346 albertel 4242: margin: 0px;
4243: border-collapse: separate;
4244: }
4245: table#LC_menubuttons img, table#LC_menubuttons_mainmenu img {
4246: border: 0px;
4247: }
1.345 albertel 4248: table#LC_top_nav td {
4249: background: $tabbg;
1.392 albertel 4250: border: 0px;
1.407 albertel 4251: font-size: small;
1.345 albertel 4252: }
4253: table#LC_top_nav td a, div#LC_top_nav a {
4254: color: $font;
4255: font-family: $sans;
4256: }
1.364 albertel 4257: table#LC_top_nav td.LC_top_nav_logo {
4258: background: $tabbg;
1.432 albertel 4259: text-align: left;
1.408 albertel 4260: white-space: nowrap;
1.432 albertel 4261: width: 31px;
1.408 albertel 4262: }
4263: table#LC_top_nav td.LC_top_nav_logo img {
1.432 albertel 4264: border: 0px;
1.408 albertel 4265: vertical-align: bottom;
1.364 albertel 4266: }
1.432 albertel 4267: table#LC_top_nav td.LC_top_nav_exit,
4268: table#LC_top_nav td.LC_top_nav_help {
4269: width: 2.0em;
4270: }
1.442 albertel 4271: table#LC_top_nav td.LC_top_nav_login {
4272: width: 4.0em;
4273: text-align: center;
4274: }
1.409 albertel 4275: table.LC_breadcrumbs td, table.LC_docs_path td {
1.357 albertel 4276: background: $tabbg;
4277: color: $font;
4278: font-family: $sans;
1.358 albertel 4279: font-size: smaller;
1.357 albertel 4280: }
1.411 albertel 4281: table.LC_breadcrumbs td.LC_breadcrumbs_component,
1.409 albertel 4282: table.LC_docs_path td.LC_docs_path_component {
1.357 albertel 4283: background: $tabbg;
4284: color: $font;
4285: font-family: $sans;
4286: font-size: larger;
4287: text-align: right;
4288: }
1.383 albertel 4289: td.LC_table_cell_checkbox {
4290: text-align: center;
4291: }
4292:
1.522 albertel 4293: table#LC_mainmenu td.LC_mainmenu_column {
4294: vertical-align: top;
4295: }
4296:
1.346 albertel 4297: .LC_menubuttons_inline_text {
4298: color: $font;
4299: font-family: $sans;
4300: font-size: smaller;
4301: }
4302:
1.526 www 4303: .LC_menubuttons_link {
4304: text-decoration: none;
4305: }
4306:
1.522 albertel 4307: .LC_menubuttons_category {
1.521 www 4308: color: $font;
1.526 www 4309: background: $pgbg;
1.521 www 4310: font-family: $sans;
4311: font-size: larger;
4312: font-weight: bold;
4313: }
4314:
1.346 albertel 4315: td.LC_menubuttons_text {
1.526 www 4316: width: 90%;
1.346 albertel 4317: color: $font;
4318: font-family: $sans;
4319: }
1.526 www 4320:
1.346 albertel 4321: td.LC_menubuttons_img {
4322: }
1.526 www 4323:
1.346 albertel 4324: .LC_current_location {
4325: font-family: $sans;
4326: background: $tabbg;
4327: }
4328: .LC_new_mail {
4329: font-family: $sans;
4330: font-weight: bold;
4331: }
1.347 albertel 4332:
1.526 www 4333: .LC_rolesmenu_is {
4334: font-family: $sans;
4335: }
4336:
4337: .LC_rolesmenu_selected {
4338: font-family: $sans;
4339: }
4340:
4341: .LC_rolesmenu_future {
4342: font-family: $sans;
4343: }
4344:
4345:
4346: .LC_rolesmenu_will {
4347: font-family: $sans;
4348: }
4349:
4350: .LC_rolesmenu_will_not {
4351: font-family: $sans;
4352: }
4353:
4354: .LC_rolesmenu_expired {
4355: font-family: $sans;
4356: }
4357:
4358: .LC_rolesinfo {
4359: font-family: $sans;
4360: }
4361:
1.527 www 4362: .LC_dropadd_labeltext {
4363: font-family: $sans;
4364: text-align: right;
4365: }
4366:
4367: .LC_preferences_labeltext {
4368: font-family: $sans;
4369: text-align: right;
4370: }
4371:
1.440 albertel 4372: table.LC_aboutme_port {
4373: border: 0px;
4374: border-collapse: collapse;
4375: border-spacing: 0px;
4376: }
1.349 albertel 4377: table.LC_data_table, table.LC_mail_list {
1.347 albertel 4378: border: 1px solid #000000;
1.402 albertel 4379: border-collapse: separate;
1.426 albertel 4380: border-spacing: 1px;
1.347 albertel 4381: }
1.422 albertel 4382: .LC_data_table_dense {
4383: font-size: small;
4384: }
1.507 raeburn 4385: table.LC_nested_outer {
4386: border: 1px solid #000000;
1.589 raeburn 4387: border-collapse: collapse;
1.507 raeburn 4388: border-spacing: 0px;
4389: width: 100%;
4390: }
4391: table.LC_nested {
4392: border: 0px;
1.589 raeburn 4393: border-collapse: collapse;
1.507 raeburn 4394: border-spacing: 0px;
4395: width: 100%;
4396: }
1.523 albertel 4397: table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th,
4398: table.LC_prior_tries tr th {
1.349 albertel 4399: font-weight: bold;
4400: background-color: $data_table_head;
1.421 albertel 4401: font-size: smaller;
1.347 albertel 4402: }
1.440 albertel 4403: table.LC_data_table tr td,
4404: table.LC_aboutme_port tr td {
1.349 albertel 4405: background-color: $data_table_light;
1.425 albertel 4406: padding: 2px;
1.347 albertel 4407: }
1.440 albertel 4408: table.LC_data_table tr.LC_even_row td,
4409: table.LC_aboutme_port tr.LC_even_row td {
1.349 albertel 4410: background-color: $data_table_dark;
1.347 albertel 4411: }
1.425 albertel 4412: table.LC_data_table tr.LC_data_table_highlight td {
4413: background-color: $data_table_darker;
4414: }
1.451 albertel 4415: table.LC_data_table tr.LC_empty_row td,
1.507 raeburn 4416: table.LC_nested tr.LC_empty_row td {
1.347 albertel 4417: background-color: #FFFFFF;
1.421 albertel 4418: font-weight: bold;
4419: font-style: italic;
4420: text-align: center;
4421: padding: 8px;
1.347 albertel 4422: }
1.507 raeburn 4423: table.LC_nested tr.LC_empty_row td {
1.465 albertel 4424: padding: 4ex
4425: }
1.507 raeburn 4426: table.LC_nested_outer tr th {
4427: font-weight: bold;
4428: background-color: $data_table_head;
4429: font-size: smaller;
4430: border-bottom: 1px solid #000000;
4431: }
4432: table.LC_nested_outer tr td.LC_subheader {
4433: background-color: $data_table_head;
4434: font-weight: bold;
4435: font-size: small;
4436: border-bottom: 1px solid #000000;
4437: text-align: right;
1.451 albertel 4438: }
1.507 raeburn 4439: table.LC_nested tr.LC_info_row td {
1.451 albertel 4440: background-color: #CCC;
4441: font-weight: bold;
4442: font-size: small;
1.507 raeburn 4443: text-align: center;
4444: }
1.589 raeburn 4445: table.LC_nested tr.LC_info_row td.LC_left_item,
4446: table.LC_nested_outer tr th.LC_left_item {
1.507 raeburn 4447: text-align: left;
1.451 albertel 4448: }
1.507 raeburn 4449: table.LC_nested td {
1.451 albertel 4450: background-color: #FFF;
4451: font-size: small;
1.507 raeburn 4452: }
4453: table.LC_nested_outer tr th.LC_right_item,
4454: table.LC_nested tr.LC_info_row td.LC_right_item,
4455: table.LC_nested tr.LC_odd_row td.LC_right_item,
4456: table.LC_nested tr td.LC_right_item {
1.451 albertel 4457: text-align: right;
4458: }
4459:
1.507 raeburn 4460: table.LC_nested tr.LC_odd_row td {
1.451 albertel 4461: background-color: #EEE;
4462: }
4463:
1.473 raeburn 4464: table.LC_createuser {
4465: }
4466:
4467: table.LC_createuser tr.LC_section_row td {
4468: font-size: smaller;
4469: }
4470:
4471: table.LC_createuser tr.LC_info_row td {
4472: background-color: #CCC;
4473: font-weight: bold;
4474: text-align: center;
4475: }
4476:
1.349 albertel 4477: table.LC_calendar {
4478: border: 1px solid #000000;
4479: border-collapse: collapse;
4480: }
4481: table.LC_calendar_pickdate {
4482: font-size: xx-small;
4483: }
4484: table.LC_calendar tr td {
4485: border: 1px solid #000000;
4486: vertical-align: top;
4487: }
4488: table.LC_calendar tr td.LC_calendar_day_empty {
4489: background-color: $data_table_dark;
4490: }
4491: table.LC_calendar tr td.LC_calendar_day_current {
4492: background-color: $data_table_highlight;
4493: }
4494:
4495: table.LC_mail_list tr.LC_mail_new {
4496: background-color: $mail_new;
4497: }
4498: table.LC_mail_list tr.LC_mail_new:hover {
4499: background-color: $mail_new_hover;
4500: }
4501: table.LC_mail_list tr.LC_mail_read {
4502: background-color: $mail_read;
4503: }
4504: table.LC_mail_list tr.LC_mail_read:hover {
4505: background-color: $mail_read_hover;
4506: }
4507: table.LC_mail_list tr.LC_mail_replied {
4508: background-color: $mail_replied;
4509: }
4510: table.LC_mail_list tr.LC_mail_replied:hover {
4511: background-color: $mail_replied_hover;
4512: }
4513: table.LC_mail_list tr.LC_mail_other {
4514: background-color: $mail_other;
4515: }
4516: table.LC_mail_list tr.LC_mail_other:hover {
4517: background-color: $mail_other_hover;
4518: }
1.494 raeburn 4519: table.LC_mail_list tr.LC_mail_even {
4520: }
4521: table.LC_mail_list tr.LC_mail_odd {
4522: }
4523:
1.385 albertel 4524:
1.386 albertel 4525: table#LC_portfolio_actions {
4526: width: auto;
4527: background: $pgbg;
4528: border: 0px;
4529: border-spacing: 2px 2px;
4530: padding: 0px;
4531: margin: 0px;
4532: border-collapse: separate;
4533: }
4534: table#LC_portfolio_actions td.LC_label {
4535: background: $tabbg;
4536: text-align: right;
4537: }
4538: table#LC_portfolio_actions td.LC_value {
4539: background: $tabbg;
4540: }
1.385 albertel 4541:
1.391 albertel 4542: table#LC_cstr_controls {
4543: width: 100%;
4544: border-collapse: collapse;
4545: }
4546: table#LC_cstr_controls tr td {
4547: border: 4px solid $pgbg;
4548: padding: 4px;
4549: text-align: center;
4550: background: $tabbg;
4551: }
4552: table#LC_cstr_controls tr th {
4553: border: 4px solid $pgbg;
4554: background: $table_header;
4555: text-align: center;
4556: font-family: $sans;
4557: font-size: smaller;
4558: }
4559:
1.389 albertel 4560: table#LC_browser {
4561:
4562: }
4563: table#LC_browser tr th {
1.391 albertel 4564: background: $table_header;
1.389 albertel 4565: }
1.390 albertel 4566: table#LC_browser tr td {
4567: padding: 2px;
4568: }
1.389 albertel 4569: table#LC_browser tr.LC_browser_file,
4570: table#LC_browser tr.LC_browser_file_published {
4571: background: #CCFF88;
4572: }
4573: table#LC_browser tr.LC_browser_file_locked,
4574: table#LC_browser tr.LC_browser_file_unpublished {
4575: background: #FFAA99;
1.387 albertel 4576: }
1.389 albertel 4577: table#LC_browser tr.LC_browser_file_obsolete {
4578: background: #AAAAAA;
1.387 albertel 4579: }
1.455 albertel 4580: table#LC_browser tr.LC_browser_file_modified,
4581: table#LC_browser tr.LC_browser_file_metamodified {
1.389 albertel 4582: background: #FFFF77;
1.387 albertel 4583: }
1.389 albertel 4584: table#LC_browser tr.LC_browser_folder {
4585: background: #CCCCFF;
1.387 albertel 4586: }
1.388 albertel 4587: span.LC_current_location {
4588: font-size: x-large;
4589: background: $pgbg;
4590: }
1.387 albertel 4591:
1.395 albertel 4592: span.LC_parm_menu_item {
4593: font-size: larger;
4594: font-family: $sans;
4595: }
4596: span.LC_parm_scope_all {
4597: color: red;
4598: }
4599: span.LC_parm_scope_folder {
4600: color: green;
4601: }
4602: span.LC_parm_scope_resource {
4603: color: orange;
4604: }
4605: span.LC_parm_part {
4606: color: blue;
4607: }
4608: span.LC_parm_folder, span.LC_parm_symb {
4609: font-size: x-small;
4610: font-family: $mono;
4611: color: #AAAAAA;
4612: }
4613:
1.396 albertel 4614: td.LC_parm_overview_level_menu, td.LC_parm_overview_map_menu,
4615: td.LC_parm_overview_parm_selectors, td.LC_parm_overview_parm_restrictions {
4616: border: 1px solid black;
4617: border-collapse: collapse;
4618: }
4619: table.LC_parm_overview_restrictions td {
4620: border-width: 1px 4px 1px 4px;
4621: border-style: solid;
4622: border-color: $pgbg;
4623: text-align: center;
4624: }
4625: table.LC_parm_overview_restrictions th {
4626: background: $tabbg;
4627: border-width: 1px 4px 1px 4px;
4628: border-style: solid;
4629: border-color: $pgbg;
4630: }
1.398 albertel 4631: table#LC_helpmenu {
4632: border: 0px;
4633: height: 55px;
4634: border-spacing: 0px;
4635: }
4636:
4637: table#LC_helpmenu fieldset legend {
4638: font-size: larger;
4639: font-weight: bold;
4640: }
1.397 albertel 4641: table#LC_helpmenu_links {
4642: width: 100%;
4643: border: 1px solid black;
4644: background: $pgbg;
4645: padding: 0px;
4646: border-spacing: 1px;
4647: }
4648: table#LC_helpmenu_links tr td {
4649: padding: 1px;
4650: background: $tabbg;
1.399 albertel 4651: text-align: center;
4652: font-weight: bold;
1.397 albertel 4653: }
1.396 albertel 4654:
1.397 albertel 4655: table#LC_helpmenu_links a:link, table#LC_helpmenu_links a:visited,
4656: table#LC_helpmenu_links a:active {
4657: text-decoration: none;
4658: color: $font;
4659: }
4660: table#LC_helpmenu_links a:hover {
4661: text-decoration: underline;
4662: color: $vlink;
4663: }
1.396 albertel 4664:
1.417 albertel 4665: .LC_chrt_popup_exists {
4666: border: 1px solid #339933;
4667: margin: -1px;
4668: }
4669: .LC_chrt_popup_up {
4670: border: 1px solid yellow;
4671: margin: -1px;
4672: }
4673: .LC_chrt_popup {
4674: border: 1px solid #8888FF;
4675: background: #CCCCFF;
4676: }
1.421 albertel 4677: table.LC_pick_box {
4678: border-collapse: separate;
4679: background: white;
4680: border: 1px solid black;
4681: border-spacing: 1px;
4682: }
4683: table.LC_pick_box td.LC_pick_box_title {
4684: background: $tabbg;
4685: font-weight: bold;
4686: text-align: right;
4687: width: 184px;
4688: padding: 8px;
4689: }
1.579 raeburn 4690: table.LC_pick_box td.LC_pick_box_value {
4691: text-align: left;
4692: padding: 8px;
4693: }
4694: table.LC_pick_box td.LC_pick_box_select {
4695: text-align: left;
4696: padding: 8px;
4697: }
1.424 albertel 4698: table.LC_pick_box td.LC_pick_box_separator {
1.421 albertel 4699: padding: 0px;
4700: height: 1px;
4701: background: black;
4702: }
4703: table.LC_pick_box td.LC_pick_box_submit {
4704: text-align: right;
4705: }
1.579 raeburn 4706: table.LC_pick_box td.LC_evenrow_value {
4707: text-align: left;
4708: padding: 8px;
4709: background-color: $data_table_light;
4710: }
4711: table.LC_pick_box td.LC_oddrow_value {
4712: text-align: left;
4713: padding: 8px;
4714: background-color: $data_table_light;
4715: }
4716: table.LC_helpform_receipt {
4717: width: 620px;
4718: border-collapse: separate;
4719: background: white;
4720: border: 1px solid black;
4721: border-spacing: 1px;
4722: }
4723: table.LC_helpform_receipt td.LC_pick_box_title {
4724: background: $tabbg;
4725: font-weight: bold;
4726: text-align: right;
4727: width: 184px;
4728: padding: 8px;
4729: }
4730: table.LC_helpform_receipt td.LC_evenrow_value {
4731: text-align: left;
4732: padding: 8px;
4733: background-color: $data_table_light;
4734: }
4735: table.LC_helpform_receipt td.LC_oddrow_value {
4736: text-align: left;
4737: padding: 8px;
4738: background-color: $data_table_light;
4739: }
4740: table.LC_helpform_receipt td.LC_pick_box_separator {
4741: padding: 0px;
4742: height: 1px;
4743: background: black;
4744: }
4745: span.LC_helpform_receipt_cat {
4746: font-weight: bold;
4747: }
1.424 albertel 4748: table.LC_group_priv_box {
4749: background: white;
4750: border: 1px solid black;
4751: border-spacing: 1px;
4752: }
4753: table.LC_group_priv_box td.LC_pick_box_title {
4754: background: $tabbg;
4755: font-weight: bold;
4756: text-align: right;
4757: width: 184px;
4758: }
4759: table.LC_group_priv_box td.LC_groups_fixed {
4760: background: $data_table_light;
4761: text-align: center;
4762: }
4763: table.LC_group_priv_box td.LC_groups_optional {
4764: background: $data_table_dark;
4765: text-align: center;
4766: }
4767: table.LC_group_priv_box td.LC_groups_functionality {
4768: background: $data_table_darker;
4769: text-align: center;
4770: font-weight: bold;
4771: }
4772: table.LC_group_priv td {
4773: text-align: left;
4774: padding: 0px;
4775: }
4776:
1.421 albertel 4777: table.LC_notify_front_page {
4778: background: white;
4779: border: 1px solid black;
4780: padding: 8px;
4781: }
4782: table.LC_notify_front_page td {
4783: padding: 8px;
4784: }
1.424 albertel 4785: .LC_navbuttons {
4786: margin: 2ex 0ex 2ex 0ex;
4787: }
1.423 albertel 4788: .LC_topic_bar {
4789: font-family: $sans;
4790: font-weight: bold;
4791: width: 100%;
4792: background: $tabbg;
4793: vertical-align: middle;
4794: margin: 2ex 0ex 2ex 0ex;
4795: }
4796: .LC_topic_bar span {
4797: vertical-align: middle;
4798: }
4799: .LC_topic_bar img {
4800: vertical-align: bottom;
4801: }
4802: table.LC_course_group_status {
4803: margin: 20px;
4804: }
4805: table.LC_status_selector td {
4806: vertical-align: top;
4807: text-align: center;
1.424 albertel 4808: padding: 4px;
4809: }
4810: table.LC_descriptive_input td.LC_description {
4811: vertical-align: top;
4812: text-align: right;
4813: font-weight: bold;
1.423 albertel 4814: }
1.599 albertel 4815: div.LC_feedback_link {
4816: background: white;
4817: width: 100%;
1.489 raeburn 4818: }
4819: span.LC_feedback_link {
1.599 albertel 4820: background: $feedback_link_bg;
4821: font-size: larger;
4822: }
4823: span.LC_message_link {
4824: background: $feedback_link_bg;
4825: font-size: larger;
4826: position: absolute;
4827: right: 1em;
1.489 raeburn 4828: }
1.421 albertel 4829:
1.515 albertel 4830: table.LC_prior_tries {
1.524 albertel 4831: border: 1px solid #000000;
4832: border-collapse: separate;
4833: border-spacing: 1px;
1.515 albertel 4834: }
1.523 albertel 4835:
1.515 albertel 4836: table.LC_prior_tries td {
1.524 albertel 4837: padding: 2px;
1.515 albertel 4838: }
1.523 albertel 4839:
4840: .LC_answer_correct {
4841: background: #AAFFAA;
4842: color: black;
4843: }
4844: .LC_answer_charged_try {
4845: background: #FFAAAA ! important;
4846: color: black;
4847: }
4848: .LC_answer_not_charged_try,
4849: .LC_answer_no_grade,
4850: .LC_answer_late {
4851: background: #FFFFAA;
4852: color: black;
4853: }
4854: .LC_answer_previous {
4855: background: #AAAAFF;
4856: color: black;
4857: }
4858: .LC_answer_no_message {
4859: background: #FFFFFF;
4860: color: black;
4861: }
4862: .LC_answer_unknown {
4863: background: orange;
4864: color: black;
4865: }
4866:
4867:
1.529 albertel 4868: span.LC_prior_numerical,
4869: span.LC_prior_string,
4870: span.LC_prior_custom,
4871: span.LC_prior_reaction,
4872: span.LC_prior_math {
1.523 albertel 4873: font-family: monospace;
4874: white-space: pre;
4875: }
4876:
1.525 albertel 4877: span.LC_prior_string {
4878: font-family: monospace;
4879: white-space: pre;
4880: }
4881:
1.523 albertel 4882: table.LC_prior_option {
4883: width: 100%;
4884: border-collapse: collapse;
4885: }
1.528 albertel 4886: table.LC_prior_rank, table.LC_prior_match {
4887: border-collapse: collapse;
4888: }
4889: table.LC_prior_option tr td,
4890: table.LC_prior_rank tr td,
4891: table.LC_prior_match tr td {
1.524 albertel 4892: border: 1px solid #000000;
1.515 albertel 4893: }
4894:
1.519 raeburn 4895: span.LC_nobreak {
1.544 albertel 4896: white-space: nowrap;
1.519 raeburn 4897: }
4898:
1.576 raeburn 4899: span.LC_cusr_emph {
4900: font-style: italic;
4901: }
4902:
1.545 albertel 4903: table.LC_docs_documents {
4904: background: #BBBBBB;
1.547 albertel 4905: border-width: 0px;
1.545 albertel 4906: border-collapse: collapse;
4907: }
4908:
4909: table.LC_docs_documents td.LC_docs_document {
4910: border: 2px solid black;
4911: padding: 4px;
4912: }
4913:
4914: .LC_docs_course_commands div {
4915: float: left;
4916: border: 4px solid #AAAAAA;
4917: padding: 4px;
4918: background: #DDDDCC;
4919: }
4920:
4921: .LC_docs_entry_move {
4922: border: 0px;
4923: border-collapse: collapse;
1.544 albertel 4924: }
4925:
1.545 albertel 4926: .LC_docs_entry_move td {
4927: border: 2px solid #BBBBBB;
4928: background: #DDDDDD;
4929: }
4930:
4931: .LC_docs_editor td.LC_docs_entry_commands {
4932: background: #DDDDDD;
4933: font-size: x-small;
4934: }
1.544 albertel 4935: .LC_docs_copy {
1.545 albertel 4936: color: #000099;
1.544 albertel 4937: }
4938: .LC_docs_cut {
1.545 albertel 4939: color: #550044;
1.544 albertel 4940: }
4941: .LC_docs_rename {
1.545 albertel 4942: color: #009900;
1.544 albertel 4943: }
4944: .LC_docs_remove {
1.545 albertel 4945: color: #990000;
4946: }
4947:
1.547 albertel 4948: .LC_docs_reinit_warn,
4949: .LC_docs_ext_edit {
4950: font-size: x-small;
4951: }
4952:
1.545 albertel 4953: .LC_docs_editor td.LC_docs_entry_title,
4954: .LC_docs_editor td.LC_docs_entry_icon {
4955: background: #FFFFBB;
4956: }
4957: .LC_docs_editor td.LC_docs_entry_parameter {
4958: background: #BBBBFF;
4959: font-size: x-small;
4960: white-space: nowrap;
4961: }
4962:
4963: table.LC_docs_adddocs td,
4964: table.LC_docs_adddocs th {
4965: border: 1px solid #BBBBBB;
4966: padding: 4px;
4967: background: #DDDDDD;
1.543 albertel 4968: }
4969:
1.584 albertel 4970: table.LC_sty_begin {
4971: background: #BBFFBB;
4972: }
4973: table.LC_sty_end {
4974: background: #FFBBBB;
4975: }
4976:
1.589 raeburn 4977: table.LC_double_column {
4978: border-width: 0px;
4979: border-collapse: collapse;
4980: width: 100%;
4981: padding: 2px;
4982: }
4983:
4984: table.LC_double_column tr td.LC_left_col {
1.590 raeburn 4985: top: 2px;
1.589 raeburn 4986: left: 2px;
4987: width: 47%;
4988: vertical-align: top;
4989: }
4990:
4991: table.LC_double_column tr td.LC_right_col {
4992: top: 2px;
4993: right: 2px;
4994: width: 47%;
4995: vertical-align: top;
4996: }
4997:
1.594 raeburn 4998: span.LC_role_level {
4999: font-weight: bold;
5000: }
5001:
1.591 raeburn 5002: div.LC_left_float {
5003: float: left;
5004: padding-right: 5%;
1.597 albertel 5005: padding-bottom: 4px;
1.591 raeburn 5006: }
5007:
5008: div.LC_clear_float_header {
1.597 albertel 5009: padding-bottom: 2px;
1.591 raeburn 5010: }
5011:
5012: div.LC_clear_float_footer {
1.597 albertel 5013: padding-top: 10px;
1.591 raeburn 5014: clear: both;
5015: }
5016:
1.597 albertel 5017:
1.601 albertel 5018: div.LC_grade_select_mode {
5019: border: 1px solid black;
5020: float: left;
5021: }
5022: div.LC_grade_select_mode div div {
5023: margin: 5px;
5024: }
5025:
5026: div.LC_grade_select_mode_header {
5027: font: bold larger $sans;
5028: background: $tabbg;
5029: }
5030:
5031: div.LC_grade_select_mode_selector {
5032: margin: 5px;
5033: float: left;
5034: }
5035: div.LC_grade_select_mode_selector_header {
5036: font: bold medium $sans;
5037: }
5038: div.LC_grade_select_mode_type {
5039: clear: left;
5040: }
5041:
1.597 albertel 5042: div.LC_grade_show_user {
5043: margin-top: 20px;
5044: border: 1px solid black;
5045: }
5046: div.LC_grade_user_name {
5047: background: #DDDDEE;
5048: border-bottom: 1px solid black;
5049: font: bold large $sans;
5050: }
5051: div.LC_grade_show_user_odd_row div.LC_grade_user_name {
5052: background: #DDEEDD;
5053: }
5054:
5055: div.LC_grade_show_problem,
5056: div.LC_grade_submissions,
5057: div.LC_grade_message_center,
5058: div.LC_grade_info_links,
5059: div.LC_grade_assign {
5060: margin: 5px;
5061: width: 99%;
5062: background: #FFFFFF;
5063: }
5064: div.LC_grade_show_problem_header,
5065: div.LC_grade_submissions_header,
5066: div.LC_grade_message_center_header,
5067: div.LC_grade_assign_header {
5068: font: bold large $sans;
5069: }
5070: div.LC_grade_show_problem_problem,
5071: div.LC_grade_submissions_body,
5072: div.LC_grade_message_center_body,
5073: div.LC_grade_assign_body {
5074: border: 1px solid black;
5075: width: 99%;
5076: background: #FFFFFF;
5077: }
1.598 albertel 5078: span.LC_grade_check_note {
5079: font: normal medium $sans;
5080: display: inline;
5081: position: absolute;
5082: right: 1em;
5083: }
1.597 albertel 5084:
1.600 albertel 5085:
5086: div.LC_edit_problem_header {
5087: font: normal medium $sans;
1.602 albertel 5088: margin: 2px;
1.600 albertel 5089: }
5090: div.LC_edit_problem_header,
1.602 albertel 5091: div.LC_edit_problem_header div,
5092: div.LC_edit_problem_editxml_header,
5093: div.LC_edit_problem_editxml_header div {
1.600 albertel 5094: margin-top: 5px;
5095: }
1.602 albertel 5096: div.LC_edit_problem_header_edit_row {
5097: background: $tabbg;
5098: padding: 3px;
5099: margin-bottom: 5px;
5100: }
1.600 albertel 5101: div.LC_edit_problem_header_title {
1.602 albertel 5102: font: larger bold $sans;
5103: background: $tabbg;
5104: padding: 3px;
5105: }
5106: table.LC_edit_problem_header_title {
5107: font: larger bold $sans;
5108: width: 100%;
5109: border-color: $pgbg;
5110: border-style: solid;
5111: border-width: $border;
5112:
1.600 albertel 5113: background: $tabbg;
1.602 albertel 5114: border-collapse: collapse;
5115: padding: 0px
5116: }
5117:
5118: div.LC_edit_problem_discards {
5119: float: left;
5120: padding-bottom: 5px;
5121: }
5122: div.LC_edit_problem_saves {
5123: float: right;
5124: padding-bottom: 5px;
1.600 albertel 5125: }
5126: hr.LC_edit_problem_divide {
1.602 albertel 5127: clear: both;
1.600 albertel 5128: color: $tabbg;
5129: background-color: $tabbg;
5130: height: 3px;
5131: border: 0px;
5132: }
1.343 albertel 5133: END
5134: }
5135:
1.306 albertel 5136: =pod
5137:
5138: =item * &headtag()
5139:
5140: Returns a uniform footer for LON-CAPA web pages.
5141:
1.307 albertel 5142: Inputs: $title - optional title for the head
5143: $head_extra - optional extra HTML to put inside the <head>
1.315 albertel 5144: $args - optional arguments
1.319 albertel 5145: force_register - if is true call registerurl so the remote is
5146: informed
1.415 albertel 5147: redirect -> array ref of
5148: 1- seconds before redirect occurs
5149: 2- url to redirect to
5150: 3- whether the side effect should occur
1.315 albertel 5151: (side effect of setting
5152: $env{'internal.head.redirect'} to the url
5153: redirected too)
1.352 albertel 5154: domain -> force to color decorate a page for a specific
5155: domain
5156: function -> force usage of a specific rolish color scheme
5157: bgcolor -> override the default page bgcolor
1.460 albertel 5158: no_auto_mt_title
5159: -> prevent &mt()ing the title arg
1.464 albertel 5160:
1.306 albertel 5161: =cut
5162:
5163: sub headtag {
1.313 albertel 5164: my ($title,$head_extra,$args) = @_;
1.306 albertel 5165:
1.363 albertel 5166: my $function = $args->{'function'} || &get_users_function();
5167: my $domain = $args->{'domain'} || &determinedomain();
5168: my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain);
1.418 albertel 5169: my $url = join(':',$env{'user.name'},$env{'user.domain'},
1.458 albertel 5170: $Apache::lonnet::perlvar{'lonVersion'},
1.531 albertel 5171: #time(),
1.418 albertel 5172: $env{'environment.color.timestamp'},
1.363 albertel 5173: $function,$domain,$bgcolor);
5174:
1.369 www 5175: $url = '/adm/css/'.&escape($url).'.css';
1.363 albertel 5176:
1.308 albertel 5177: my $result =
5178: '<head>'.
1.461 albertel 5179: &font_settings();
1.319 albertel 5180:
1.461 albertel 5181: if (!$args->{'frameset'}) {
5182: $result .= &Apache::lonhtmlcommon::htmlareaheaders();
5183: }
1.319 albertel 5184: if ($args->{'force_register'}) {
5185: $result .= &Apache::lonmenu::registerurl(1);
5186: }
1.436 albertel 5187: if (!$args->{'no_nav_bar'}
5188: && !$args->{'only_body'}
5189: && !$args->{'frameset'}) {
5190: $result .= &help_menu_js();
5191: }
1.319 albertel 5192:
1.314 albertel 5193: if (ref($args->{'redirect'})) {
1.414 albertel 5194: my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
1.315 albertel 5195: $url = &Apache::lonenc::check_encrypt($url);
1.414 albertel 5196: if (!$inhibit_continue) {
5197: $env{'internal.head.redirect'} = $url;
5198: }
1.313 albertel 5199: $result.=<<ADDMETA
5200: <meta http-equiv="pragma" content="no-cache" />
1.344 albertel 5201: <meta http-equiv="Refresh" content="$time; url=$url" />
1.313 albertel 5202: ADDMETA
5203: }
1.306 albertel 5204: if (!defined($title)) {
5205: $title = 'The LearningOnline Network with CAPA';
5206: }
1.460 albertel 5207: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
5208: $result .= '<title> LON-CAPA '.$title.'</title>'
1.414 albertel 5209: .'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
5210: .$head_extra;
1.306 albertel 5211: return $result;
5212: }
5213:
5214: =pod
5215:
1.340 albertel 5216: =item * &font_settings()
5217:
5218: Returns neccessary <meta> to set the proper encoding
5219:
5220: Inputs: none
5221:
5222: =cut
5223:
5224: sub font_settings {
5225: my $headerstring='';
5226: if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) {
5227: $headerstring.=
5228: '<meta Content-Type="text/html; charset=x-mac-roman" />';
5229: } elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
5230: $headerstring.=
5231: '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
5232: }
5233: return $headerstring;
5234: }
5235:
1.341 albertel 5236: =pod
5237:
5238: =item * &xml_begin()
5239:
5240: Returns the needed doctype and <html>
5241:
5242: Inputs: none
5243:
5244: =cut
5245:
5246: sub xml_begin {
5247: my $output='';
5248:
1.592 albertel 5249: if ($env{'internal.start_page'}==1) {
5250: &Apache::lonhtmlcommon::init_htmlareafields();
5251: }
1.342 albertel 5252:
1.341 albertel 5253: if ($env{'browser.mathml'}) {
5254: $output='<?xml version="1.0"?>'
5255: #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
5256: # .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
5257:
5258: # .'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" [<!ENTITY mathns "http://www.w3.org/1998/Math/MathML">] >'
5259: .'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd">'
5260: .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
5261: .'xmlns="http://www.w3.org/1999/xhtml">';
5262: } else {
5263: $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>';
5264: }
5265: return $output;
5266: }
1.340 albertel 5267:
5268: =pod
5269:
1.306 albertel 5270: =item * &endheadtag()
5271:
5272: Returns a uniform </head> for LON-CAPA web pages.
5273:
5274: Inputs: none
5275:
5276: =cut
5277:
5278: sub endheadtag {
5279: return '</head>';
5280: }
5281:
5282: =pod
5283:
5284: =item * &head()
5285:
5286: Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
5287:
5288: Inputs: $title - optional title for the page
1.307 albertel 5289: $head_extra - optional extra HTML to put inside the <head>
1.405 albertel 5290:
1.306 albertel 5291: =cut
5292:
5293: sub head {
1.325 albertel 5294: my ($title,$head_extra,$args) = @_;
5295: return &headtag($title,$head_extra,$args).&endheadtag();
1.306 albertel 5296: }
5297:
5298: =pod
5299:
5300: =item * &start_page()
5301:
5302: Returns a complete <html> .. <body> section for LON-CAPA web pages.
5303:
5304: Inputs: $title - optional title for the page
5305: $head_extra - optional extra HTML to incude inside the <head>
1.315 albertel 5306: $args - additional optional args supported are:
1.317 albertel 5307: only_body -> is true will set &bodytag() onlybodytag
5308: arg on
5309: no_nav_bar -> is true will set &bodytag() notopbar arg on
5310: add_entries -> additional attributes to add to the <body>
5311: domain -> force to color decorate a page for a
5312: specific domain
5313: function -> force usage of a specific rolish color
5314: scheme
5315: redirect -> see &headtag()
5316: bgcolor -> override the default page bg color
5317: js_ready -> return a string ready for being used in
5318: a javascript writeln
1.320 albertel 5319: html_encode -> return a string ready for being used in
5320: a html attribute
1.317 albertel 5321: force_register -> if is true will turn on the &bodytag()
5322: $forcereg arg
1.326 albertel 5323: body_title -> alternate text to use instead of $title
5324: in the title box that appears, this text
5325: is not auto translated like the $title is
1.330 albertel 5326: frameset -> if true will start with a <frameset>
5327: rather than <body>
1.338 albertel 5328: no_title -> if true the title bar won't be shown
5329: skip_phases -> hash ref of
5330: head -> skip the <html><head> generation
5331: body -> skip all <body> generation
1.337 albertel 5332:
1.361 albertel 5333: no_inline_link -> if true and in remote mode, don't show the
5334: 'Switch To Inline Menu' link
5335:
1.460 albertel 5336: no_auto_mt_title -> prevent &mt()ing the title arg
5337:
1.562 albertel 5338: inherit_jsmath -> when creating popup window in a page,
5339: should it have jsmath forced on by the
5340: current page
5341:
1.306 albertel 5342: =cut
5343:
5344: sub start_page {
1.309 albertel 5345: my ($title,$head_extra,$args) = @_;
1.318 albertel 5346: #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
1.313 albertel 5347: my %head_args;
1.352 albertel 5348: foreach my $arg ('redirect','force_register','domain','function',
1.460 albertel 5349: 'bgcolor','frameset','no_nav_bar','only_body',
5350: 'no_auto_mt_title') {
1.319 albertel 5351: if (defined($args->{$arg})) {
1.324 raeburn 5352: $head_args{$arg} = $args->{$arg};
1.319 albertel 5353: }
1.313 albertel 5354: }
1.319 albertel 5355:
1.315 albertel 5356: $env{'internal.start_page'}++;
1.338 albertel 5357: my $result;
5358: if (! exists($args->{'skip_phases'}{'head'}) ) {
5359: $result.=
1.341 albertel 5360: &xml_begin().
1.338 albertel 5361: &headtag($title,$head_extra,\%head_args).&endheadtag();
5362: }
5363:
5364: if (! exists($args->{'skip_phases'}{'body'}) ) {
5365: if ($args->{'frameset'}) {
5366: my $attr_string = &make_attr_string($args->{'force_register'},
5367: $args->{'add_entries'});
5368: $result .= "\n<frameset $attr_string>\n";
5369: } else {
5370: $result .=
5371: &bodytag($title,
5372: $args->{'function'}, $args->{'add_entries'},
5373: $args->{'only_body'}, $args->{'domain'},
5374: $args->{'force_register'}, $args->{'body_title'},
5375: $args->{'no_nav_bar'}, $args->{'bgcolor'},
1.460 albertel 5376: $args->{'no_title'}, $args->{'no_inline_link'},
5377: $args);
1.338 albertel 5378: }
1.330 albertel 5379: }
1.338 albertel 5380:
1.315 albertel 5381: if ($args->{'js_ready'}) {
1.317 albertel 5382: $result = &js_ready($result);
1.315 albertel 5383: }
1.320 albertel 5384: if ($args->{'html_encode'}) {
5385: $result = &html_encode($result);
5386: }
1.315 albertel 5387: return $result;
1.306 albertel 5388: }
5389:
1.330 albertel 5390:
1.306 albertel 5391: =pod
5392:
5393: =item * &head()
5394:
5395: Returns a complete </body></html> section for LON-CAPA web pages.
5396:
1.315 albertel 5397: Inputs: $args - additional optional args supported are:
5398: js_ready -> return a string ready for being used in
5399: a javascript writeln
1.320 albertel 5400: html_encode -> return a string ready for being used in
5401: a html attribute
1.330 albertel 5402: frameset -> if true will start with a <frameset>
5403: rather than <body>
1.493 albertel 5404: dicsussion -> if true will get discussion from
5405: lonxml::xmlend
5406: (you can pass the target and parser arguments
5407: through optional 'target' and 'parser' args
5408: to this routine)
1.306 albertel 5409:
5410: =cut
5411:
5412: sub end_page {
1.315 albertel 5413: my ($args) = @_;
5414: $env{'internal.end_page'}++;
1.330 albertel 5415: my $result;
1.335 albertel 5416: if ($args->{'discussion'}) {
5417: my ($target,$parser);
5418: if (ref($args->{'discussion'})) {
5419: ($target,$parser) =($args->{'discussion'}{'target'},
5420: $args->{'discussion'}{'parser'});
5421: }
5422: $result .= &Apache::lonxml::xmlend($target,$parser);
5423: }
5424:
1.330 albertel 5425: if ($args->{'frameset'}) {
5426: $result .= '</frameset>';
5427: } else {
5428: $result .= &endbodytag();
5429: }
5430: $result .= "\n</html>";
5431:
1.315 albertel 5432: if ($args->{'js_ready'}) {
1.317 albertel 5433: $result = &js_ready($result);
1.315 albertel 5434: }
1.335 albertel 5435:
1.320 albertel 5436: if ($args->{'html_encode'}) {
5437: $result = &html_encode($result);
5438: }
1.335 albertel 5439:
1.315 albertel 5440: return $result;
5441: }
5442:
1.320 albertel 5443: sub html_encode {
5444: my ($result) = @_;
5445:
1.322 albertel 5446: $result = &HTML::Entities::encode($result,'<>&"');
1.320 albertel 5447:
5448: return $result;
5449: }
1.317 albertel 5450: sub js_ready {
5451: my ($result) = @_;
5452:
1.323 albertel 5453: $result =~ s/[\n\r]/ /xmsg;
5454: $result =~ s/\\/\\\\/xmsg;
5455: $result =~ s/'/\\'/xmsg;
1.372 albertel 5456: $result =~ s{</}{<\\/}xmsg;
1.317 albertel 5457:
5458: return $result;
5459: }
5460:
1.315 albertel 5461: sub validate_page {
5462: if ( exists($env{'internal.start_page'})
1.316 albertel 5463: && $env{'internal.start_page'} > 1) {
5464: &Apache::lonnet::logthis('start_page called multiple times '.
1.318 albertel 5465: $env{'internal.start_page'}.' '.
1.316 albertel 5466: $ENV{'request.filename'});
1.315 albertel 5467: }
5468: if ( exists($env{'internal.end_page'})
1.316 albertel 5469: && $env{'internal.end_page'} > 1) {
5470: &Apache::lonnet::logthis('end_page called multiple times '.
1.318 albertel 5471: $env{'internal.end_page'}.' '.
1.316 albertel 5472: $env{'request.filename'});
1.315 albertel 5473: }
5474: if ( exists($env{'internal.start_page'})
5475: && ! exists($env{'internal.end_page'})) {
1.316 albertel 5476: &Apache::lonnet::logthis('start_page called without end_page '.
5477: $env{'request.filename'});
1.315 albertel 5478: }
5479: if ( ! exists($env{'internal.start_page'})
5480: && exists($env{'internal.end_page'})) {
1.316 albertel 5481: &Apache::lonnet::logthis('end_page called without start_page'.
5482: $env{'request.filename'});
1.315 albertel 5483: }
1.306 albertel 5484: }
1.315 albertel 5485:
1.318 albertel 5486: sub simple_error_page {
5487: my ($r,$title,$msg) = @_;
5488: my $page =
5489: &Apache::loncommon::start_page($title).
5490: &mt($msg).
5491: &Apache::loncommon::end_page();
5492: if (ref($r)) {
5493: $r->print($page);
1.327 albertel 5494: return;
1.318 albertel 5495: }
5496: return $page;
5497: }
1.347 albertel 5498:
5499: {
5500: my $row_count;
5501: sub start_data_table {
1.422 albertel 5502: my ($add_class) = @_;
5503: my $css_class = (join(' ','LC_data_table',$add_class));
1.347 albertel 5504: undef($row_count);
1.422 albertel 5505: return '<table class="'.$css_class.'">'."\n";
1.347 albertel 5506: }
5507:
5508: sub end_data_table {
5509: undef($row_count);
1.389 albertel 5510: return '</table>'."\n";;
1.347 albertel 5511: }
5512:
5513: sub start_data_table_row {
1.422 albertel 5514: my ($add_class) = @_;
1.347 albertel 5515: $row_count++;
1.422 albertel 5516: my $css_class = ($row_count % 2)?'':'LC_even_row';
1.428 albertel 5517: $css_class = (join(' ',$css_class,$add_class));
1.422 albertel 5518: return '<tr class="'.$css_class.'">'."\n";;
1.347 albertel 5519: }
1.471 banghart 5520:
5521: sub continue_data_table_row {
5522: my ($add_class) = @_;
5523: my $css_class = ($row_count % 2)?'':'LC_even_row';
5524: $css_class = (join(' ',$css_class,$add_class));
5525: return '<tr class="'.$css_class.'">'."\n";;
5526: }
1.347 albertel 5527:
5528: sub end_data_table_row {
1.389 albertel 5529: return '</tr>'."\n";;
1.347 albertel 5530: }
1.367 www 5531:
1.421 albertel 5532: sub start_data_table_empty_row {
5533: $row_count++;
5534: return '<tr class="LC_empty_row" >'."\n";;
5535: }
5536:
5537: sub end_data_table_empty_row {
5538: return '</tr>'."\n";;
5539: }
5540:
1.367 www 5541: sub start_data_table_header_row {
1.389 albertel 5542: return '<tr class="LC_header_row">'."\n";;
1.367 www 5543: }
5544:
5545: sub end_data_table_header_row {
1.389 albertel 5546: return '</tr>'."\n";;
1.367 www 5547: }
1.347 albertel 5548: }
5549:
1.548 albertel 5550: =pod
5551:
5552: =item * &inhibit_menu_check($arg)
5553:
5554: Checks for a inhibitmenu state and generates output to preserve it
5555:
5556: Inputs: $arg - can be any of
5557: - undef - in which case the return value is a string
5558: to add into arguments list of a uri
5559: - 'input' - in which case the return value is a HTML
5560: <form> <input> field of type hidden to
5561: preserve the value
5562: - a url - in which case the return value is the url with
5563: the neccesary cgi args added to preserve the
5564: inhibitmenu state
5565: - a ref to a url - no return value, but the string is
5566: updated to include the neccessary cgi
5567: args to preserve the inhibitmenu state
5568:
5569: =cut
5570:
5571: sub inhibit_menu_check {
5572: my ($arg) = @_;
5573: &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
5574: if ($arg eq 'input') {
5575: if ($env{'form.inhibitmenu'}) {
5576: return '<input type="hidden" name="inhibitmenu" value="'.$env{'form.inhibitmenu'}.'" />';
5577: } else {
5578: return
5579: }
5580: }
5581: if ($env{'form.inhibitmenu'}) {
5582: if (ref($arg)) {
5583: $$arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
5584: } elsif ($arg eq '') {
5585: $arg .= 'inhibitmenu='.$env{'form.inhibitmenu'};
5586: } else {
5587: $arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
5588: }
5589: }
5590: if (!ref($arg)) {
5591: return $arg;
5592: }
5593: }
5594:
1.251 albertel 5595: ###############################################
1.182 matthew 5596:
5597: =pod
5598:
1.549 albertel 5599: =back
5600:
5601: =head1 User Information Routines
5602:
5603: =over 4
5604:
1.405 albertel 5605: =item * &get_users_function()
1.182 matthew 5606:
5607: Used by &bodytag to determine the current users primary role.
5608: Returns either 'student','coordinator','admin', or 'author'.
5609:
5610: =cut
5611:
5612: ###############################################
5613: sub get_users_function {
5614: my $function = 'student';
1.258 albertel 5615: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
1.182 matthew 5616: $function='coordinator';
5617: }
1.258 albertel 5618: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
1.182 matthew 5619: $function='admin';
5620: }
1.258 albertel 5621: if (($env{'request.role'}=~/^(au|ca)/) ||
1.182 matthew 5622: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
5623: $function='author';
5624: }
5625: return $function;
1.54 www 5626: }
1.99 www 5627:
5628: ###############################################
5629:
1.233 raeburn 5630: =pod
5631:
1.542 raeburn 5632: =item * &check_user_status()
1.274 raeburn 5633:
5634: Determines current status of supplied role for a
5635: specific user. Roles can be active, previous or future.
5636:
5637: Inputs:
5638: user's domain, user's username, course's domain,
1.375 raeburn 5639: course's number, optional section ID.
1.274 raeburn 5640:
5641: Outputs:
5642: role status: active, previous or future.
5643:
5644: =cut
5645:
5646: sub check_user_status {
1.412 raeburn 5647: my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
1.274 raeburn 5648: my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
5649: my @uroles = keys %userinfo;
5650: my $srchstr;
5651: my $active_chk = 'none';
1.412 raeburn 5652: my $now = time;
1.274 raeburn 5653: if (@uroles > 0) {
1.412 raeburn 5654: if (($role eq 'cc') || ($sec eq '') || (!defined($sec))) {
1.274 raeburn 5655: $srchstr = '/'.$cdom.'/'.$crs.'_'.$role;
5656: } else {
1.412 raeburn 5657: $srchstr = '/'.$cdom.'/'.$crs.'/'.$sec.'_'.$role;
5658: }
5659: if (grep/^\Q$srchstr\E$/,@uroles) {
1.274 raeburn 5660: my $role_end = 0;
5661: my $role_start = 0;
5662: $active_chk = 'active';
1.412 raeburn 5663: if ($userinfo{$srchstr} =~ m/^\Q$role\E_(\d+)/) {
5664: $role_end = $1;
5665: if ($userinfo{$srchstr} =~ m/^\Q$role\E_\Q$role_end\E_(\d+)$/) {
5666: $role_start = $1;
1.274 raeburn 5667: }
5668: }
5669: if ($role_start > 0) {
1.412 raeburn 5670: if ($now < $role_start) {
1.274 raeburn 5671: $active_chk = 'future';
5672: }
5673: }
5674: if ($role_end > 0) {
1.412 raeburn 5675: if ($now > $role_end) {
1.274 raeburn 5676: $active_chk = 'previous';
5677: }
5678: }
5679: }
5680: }
5681: return $active_chk;
5682: }
5683:
5684: ###############################################
5685:
5686: =pod
5687:
1.405 albertel 5688: =item * &get_sections()
1.233 raeburn 5689:
5690: Determines all the sections for a course including
5691: sections with students and sections containing other roles.
1.419 raeburn 5692: Incoming parameters:
5693:
5694: 1. domain
5695: 2. course number
5696: 3. reference to array containing roles for which sections should
5697: be gathered (optional).
5698: 4. reference to array containing status types for which sections
5699: should be gathered (optional).
5700:
5701: If the third argument is undefined, sections are gathered for any role.
5702: If the fourth argument is undefined, sections are gathered for any status.
5703: Permissible values are 'active' or 'future' or 'previous'.
1.233 raeburn 5704:
1.374 raeburn 5705: Returns section hash (keys are section IDs, values are
5706: number of users in each section), subject to the
1.419 raeburn 5707: optional roles filter, optional status filter
1.233 raeburn 5708:
5709: =cut
5710:
5711: ###############################################
5712: sub get_sections {
1.419 raeburn 5713: my ($cdom,$cnum,$possible_roles,$possible_status) = @_;
1.366 albertel 5714: if (!defined($cdom) || !defined($cnum)) {
5715: my $cid = $env{'request.course.id'};
5716:
5717: return if (!defined($cid));
5718:
5719: $cdom = $env{'course.'.$cid.'.domain'};
5720: $cnum = $env{'course.'.$cid.'.num'};
5721: }
5722:
5723: my %sectioncount;
1.419 raeburn 5724: my $now = time;
1.240 albertel 5725:
1.366 albertel 5726: if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) {
1.276 albertel 5727: my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
1.240 albertel 5728: my $sec_index = &Apache::loncoursedata::CL_SECTION();
5729: my $status_index = &Apache::loncoursedata::CL_STATUS();
1.419 raeburn 5730: my $start_index = &Apache::loncoursedata::CL_START();
5731: my $end_index = &Apache::loncoursedata::CL_END();
5732: my $status;
1.366 albertel 5733: while (my ($student,$data) = each(%$classlist)) {
1.419 raeburn 5734: my ($section,$stu_status,$start,$end) = ($data->[$sec_index],
5735: $data->[$status_index],
5736: $data->[$start_index],
5737: $data->[$end_index]);
5738: if ($stu_status eq 'Active') {
5739: $status = 'active';
5740: } elsif ($end < $now) {
5741: $status = 'previous';
5742: } elsif ($start > $now) {
5743: $status = 'future';
5744: }
5745: if ($section ne '-1' && $section !~ /^\s*$/) {
5746: if ((!defined($possible_status)) || (($status ne '') &&
5747: (grep/^\Q$status\E$/,@{$possible_status}))) {
5748: $sectioncount{$section}++;
5749: }
1.240 albertel 5750: }
5751: }
5752: }
5753: my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
5754: foreach my $user (sort(keys(%courseroles))) {
5755: if ($user !~ /^(\w{2})/) { next; }
5756: my ($role) = ($user =~ /^(\w{2})/);
5757: if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; }
1.419 raeburn 5758: my ($section,$status);
1.240 albertel 5759: if ($role eq 'cr' &&
5760: $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) {
5761: $section=$1;
5762: }
5763: if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; }
5764: if (!defined($section) || $section eq '-1') { next; }
1.419 raeburn 5765: my ($end,$start) = ($courseroles{$user} =~ /^([^:]*):([^:]*)$/);
5766: if ($end == -1 && $start == -1) {
5767: next; #deleted role
5768: }
5769: if (!defined($possible_status)) {
5770: $sectioncount{$section}++;
5771: } else {
5772: if ((!$end || $end >= $now) && (!$start || $start <= $now)) {
5773: $status = 'active';
5774: } elsif ($end < $now) {
5775: $status = 'future';
5776: } elsif ($start > $now) {
5777: $status = 'previous';
5778: }
5779: if (($status ne '') && (grep/^\Q$status\E$/,@{$possible_status})) {
5780: $sectioncount{$section}++;
5781: }
5782: }
1.233 raeburn 5783: }
1.366 albertel 5784: return %sectioncount;
1.233 raeburn 5785: }
5786:
1.274 raeburn 5787: ###############################################
1.294 raeburn 5788:
5789: =pod
1.405 albertel 5790:
5791: =item * &get_course_users()
5792:
1.275 raeburn 5793: Retrieves usernames:domains for users in the specified course
5794: with specific role(s), and access status.
5795:
5796: Incoming parameters:
1.277 albertel 5797: 1. course domain
5798: 2. course number
5799: 3. access status: users must have - either active,
1.275 raeburn 5800: previous, future, or all.
1.277 albertel 5801: 4. reference to array of permissible roles
1.288 raeburn 5802: 5. reference to array of section restrictions (optional)
5803: 6. reference to results object (hash of hashes).
5804: 7. reference to optional userdata hash
1.275 raeburn 5805: Keys of top level hash are roles.
5806: Keys of inner hashes are username:domain, with
5807: values set to access type.
1.288 raeburn 5808: Optional userdata hash returns an array with arguments in the
5809: same order as loncoursedata::get_classlist() for student data.
5810:
5811: Entries for end, start, section and status are blank because
5812: of the possibility of multiple values for non-student roles.
5813:
1.275 raeburn 5814: =cut
1.405 albertel 5815:
1.275 raeburn 5816: ###############################################
1.405 albertel 5817:
1.275 raeburn 5818: sub get_course_users {
1.288 raeburn 5819: my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata) = @_;
5820: my %idx = ();
1.419 raeburn 5821: my %seclists;
1.288 raeburn 5822:
5823: $idx{udom} = &Apache::loncoursedata::CL_SDOM();
5824: $idx{uname} = &Apache::loncoursedata::CL_SNAME();
5825: $idx{end} = &Apache::loncoursedata::CL_END();
5826: $idx{start} = &Apache::loncoursedata::CL_START();
5827: $idx{id} = &Apache::loncoursedata::CL_ID();
5828: $idx{section} = &Apache::loncoursedata::CL_SECTION();
5829: $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
5830: $idx{status} = &Apache::loncoursedata::CL_STATUS();
5831:
1.290 albertel 5832: if (grep(/^st$/,@{$roles})) {
1.276 albertel 5833: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum);
1.278 raeburn 5834: my $now = time;
1.277 albertel 5835: foreach my $student (keys(%{$classlist})) {
1.288 raeburn 5836: my $match = 0;
1.412 raeburn 5837: my $secmatch = 0;
1.419 raeburn 5838: my $section = $$classlist{$student}[$idx{section}];
5839: if ($section eq '') {
5840: $section = 'none';
5841: }
1.291 albertel 5842: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 5843: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 5844: $secmatch = 1;
5845: } elsif ($$classlist{$student}[$idx{section}] eq '') {
1.420 albertel 5846: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 5847: $secmatch = 1;
5848: }
5849: } else {
1.419 raeburn 5850: if (grep(/^\Q$section\E$/,@{$sections})) {
1.412 raeburn 5851: $secmatch = 1;
5852: }
1.290 albertel 5853: }
1.412 raeburn 5854: if (!$secmatch) {
5855: next;
5856: }
1.419 raeburn 5857: }
1.420 albertel 5858: push(@{$seclists{$student}},$section);
1.275 raeburn 5859: if (defined($$types{'active'})) {
1.288 raeburn 5860: if ($$classlist{$student}[$idx{status}] eq 'Active') {
1.275 raeburn 5861: push(@{$$users{st}{$student}},'active');
1.288 raeburn 5862: $match = 1;
1.275 raeburn 5863: }
5864: }
5865: if (defined($$types{'previous'})) {
1.288 raeburn 5866: if ($$classlist{$student}[$idx{end}] <= $now) {
1.275 raeburn 5867: push(@{$$users{st}{$student}},'previous');
1.288 raeburn 5868: $match = 1;
1.275 raeburn 5869: }
5870: }
5871: if (defined($$types{'future'})) {
1.288 raeburn 5872: if (($$classlist{$student}[$idx{start}] > $now) && ($$classlist{$student}[$idx{end}] > $now) || ($$classlist{$student}[$idx{end}] == 0) || ($$classlist{$student}[$idx{end}] eq '')) {
1.275 raeburn 5873: push(@{$$users{st}{$student}},'future');
1.288 raeburn 5874: $match = 1;
1.275 raeburn 5875: }
5876: }
1.412 raeburn 5877: if ($match && ref($userdata) eq 'HASH') {
1.288 raeburn 5878: $$userdata{$student} = $$classlist{$student};
5879: }
1.275 raeburn 5880: }
5881: }
1.412 raeburn 5882: if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) {
1.439 raeburn 5883: my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
5884: my $now = time;
5885: foreach my $person (sort(keys(%coursepersonnel))) {
1.288 raeburn 5886: my $match = 0;
1.412 raeburn 5887: my $secmatch = 0;
1.439 raeburn 5888: my $status;
1.412 raeburn 5889: my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/);
1.275 raeburn 5890: $user =~ s/:$//;
1.439 raeburn 5891: my ($end,$start) = split(/:/,$coursepersonnel{$person});
5892: if ($end == -1 || $start == -1) {
5893: next;
5894: }
5895: if (($role) && ((grep(/^\Q$role\E$/,@{$roles})) ||
5896: (grep(/^cr$/,@{$roles}) && $role =~ /^cr\//))) {
1.412 raeburn 5897: my ($uname,$udom) = split(/:/,$user);
5898: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 5899: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 5900: $secmatch = 1;
5901: } elsif ($usec eq '') {
1.420 albertel 5902: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 5903: $secmatch = 1;
5904: }
5905: } else {
5906: if (grep(/^\Q$usec\E$/,@{$sections})) {
5907: $secmatch = 1;
5908: }
5909: }
5910: if (!$secmatch) {
5911: next;
5912: }
1.288 raeburn 5913: }
1.419 raeburn 5914: if ($usec eq '') {
5915: $usec = 'none';
5916: }
1.275 raeburn 5917: if ($uname ne '' && $udom ne '') {
1.503 raeburn 5918: if ($end > 0 && $end < $now) {
1.439 raeburn 5919: $status = 'previous';
5920: } elsif ($start > $now) {
5921: $status = 'future';
5922: } else {
5923: $status = 'active';
5924: }
1.277 albertel 5925: foreach my $type (keys(%{$types})) {
1.275 raeburn 5926: if ($status eq $type) {
1.420 albertel 5927: if (!grep(/^\Q$type\E$/,@{$$users{$role}{$user}})) {
1.419 raeburn 5928: push(@{$$users{$role}{$user}},$type);
5929: }
1.288 raeburn 5930: $match = 1;
5931: }
5932: }
1.419 raeburn 5933: if (($match) && (ref($userdata) eq 'HASH')) {
5934: if (!exists($$userdata{$uname.':'.$udom})) {
5935: &get_user_info($udom,$uname,\%idx,$userdata);
5936: }
1.420 albertel 5937: if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {
1.419 raeburn 5938: push(@{$seclists{$uname.':'.$udom}},$usec);
5939: }
1.275 raeburn 5940: }
5941: }
5942: }
5943: }
1.290 albertel 5944: if (grep(/^ow$/,@{$roles})) {
1.279 raeburn 5945: if ((defined($cdom)) && (defined($cnum))) {
5946: my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
5947: if ( defined($csettings{'internal.courseowner'}) ) {
5948: my $owner = $csettings{'internal.courseowner'};
1.439 raeburn 5949: if ($owner !~ /^[^:]+:[^:]+$/) {
5950: $owner = $owner.':'.$cdom;
5951: }
5952: @{$$users{'ow'}{$owner}} = 'any';
1.290 albertel 5953: if (defined($userdata) &&
5954: !exists($$userdata{$owner.':'.$cdom})) {
5955: &get_user_info($cdom,$owner,\%idx,$userdata);
1.420 albertel 5956: if (!grep(/^none$/,@{$seclists{$owner.':'.$cdom}})) {
1.419 raeburn 5957: push(@{$seclists{$owner.':'.$cdom}},'none');
5958: }
1.290 albertel 5959: }
1.279 raeburn 5960: }
5961: }
5962: }
1.419 raeburn 5963: foreach my $user (keys(%seclists)) {
5964: @{$seclists{$user}} = (sort {$a <=> $b} @{$seclists{$user}});
5965: $$userdata{$user}[$idx{section}] = join(',',@{$seclists{$user}});
5966: }
1.275 raeburn 5967: }
5968: return;
5969: }
5970:
1.288 raeburn 5971: sub get_user_info {
5972: my ($udom,$uname,$idx,$userdata) = @_;
1.289 albertel 5973: $$userdata{$uname.':'.$udom}[$$idx{fullname}] =
5974: &plainname($uname,$udom,'lastname');
1.291 albertel 5975: $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
1.297 raeburn 5976: $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
1.288 raeburn 5977: return;
5978: }
1.275 raeburn 5979:
1.472 raeburn 5980: ###############################################
5981:
5982: =pod
5983:
5984: =item * &get_user_quota()
5985:
5986: Retrieves quota assigned for storage of portfolio files for a user
5987:
5988: Incoming parameters:
5989: 1. user's username
5990: 2. user's domain
5991:
5992: Returns:
1.536 raeburn 5993: 1. Disk quota (in Mb) assigned to student.
5994: 2. (Optional) Type of setting: custom or default
5995: (individually assigned or default for user's
5996: institutional status).
5997: 3. (Optional) - User's institutional status (e.g., faculty, staff
5998: or student - types as defined in localenroll::inst_usertypes
5999: for user's domain, which determines default quota for user.
6000: 4. (Optional) - Default quota which would apply to the user.
1.472 raeburn 6001:
6002: If a value has been stored in the user's environment,
1.536 raeburn 6003: it will return that, otherwise it returns the maximal default
6004: defined for the user's instituional status(es) in the domain.
1.472 raeburn 6005:
6006: =cut
6007:
6008: ###############################################
6009:
6010:
6011: sub get_user_quota {
6012: my ($uname,$udom) = @_;
1.536 raeburn 6013: my ($quota,$quotatype,$settingstatus,$defquota);
1.472 raeburn 6014: if (!defined($udom)) {
6015: $udom = $env{'user.domain'};
6016: }
6017: if (!defined($uname)) {
6018: $uname = $env{'user.name'};
6019: }
6020: if (($udom eq '' || $uname eq '') ||
6021: ($udom eq 'public') && ($uname eq 'public')) {
6022: $quota = 0;
1.536 raeburn 6023: $quotatype = 'default';
6024: $defquota = 0;
1.472 raeburn 6025: } else {
1.536 raeburn 6026: my $inststatus;
1.472 raeburn 6027: if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
6028: $quota = $env{'environment.portfolioquota'};
1.536 raeburn 6029: $inststatus = $env{'environment.inststatus'};
1.472 raeburn 6030: } else {
1.536 raeburn 6031: my %userenv =
6032: &Apache::lonnet::get('environment',['portfolioquota',
6033: 'inststatus'],$udom,$uname);
1.472 raeburn 6034: my ($tmp) = keys(%userenv);
6035: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
6036: $quota = $userenv{'portfolioquota'};
1.536 raeburn 6037: $inststatus = $userenv{'inststatus'};
1.472 raeburn 6038: } else {
6039: undef(%userenv);
6040: }
6041: }
1.536 raeburn 6042: ($defquota,$settingstatus) = &default_quota($udom,$inststatus);
1.472 raeburn 6043: if ($quota eq '') {
1.536 raeburn 6044: $quota = $defquota;
6045: $quotatype = 'default';
6046: } else {
6047: $quotatype = 'custom';
1.472 raeburn 6048: }
6049: }
1.536 raeburn 6050: if (wantarray) {
6051: return ($quota,$quotatype,$settingstatus,$defquota);
6052: } else {
6053: return $quota;
6054: }
1.472 raeburn 6055: }
6056:
6057: ###############################################
6058:
6059: =pod
6060:
6061: =item * &default_quota()
6062:
1.536 raeburn 6063: Retrieves default quota assigned for storage of user portfolio files,
6064: given an (optional) user's institutional status.
1.472 raeburn 6065:
6066: Incoming parameters:
6067: 1. domain
1.536 raeburn 6068: 2. (Optional) institutional status(es). This is a : separated list of
6069: status types (e.g., faculty, staff, student etc.)
6070: which apply to the user for whom the default is being retrieved.
6071: If the institutional status string in undefined, the domain
6072: default quota will be returned.
1.472 raeburn 6073:
6074: Returns:
6075: 1. Default disk quota (in Mb) for user portfolios in the domain.
1.536 raeburn 6076: 2. (Optional) institutional type which determined the value of the
6077: default quota.
1.472 raeburn 6078:
6079: If a value has been stored in the domain's configuration db,
6080: it will return that, otherwise it returns 20 (for backwards
6081: compatibility with domains which have not set up a configuration
6082: db file; the original statically defined portfolio quota was 20 Mb).
6083:
1.536 raeburn 6084: If the user's status includes multiple types (e.g., staff and student),
6085: the largest default quota which applies to the user determines the
6086: default quota returned.
6087:
1.472 raeburn 6088: =cut
6089:
6090: ###############################################
6091:
6092:
6093: sub default_quota {
1.536 raeburn 6094: my ($udom,$inststatus) = @_;
6095: my ($defquota,$settingstatus);
6096: my %quotahash = &Apache::lonnet::get_dom('configuration',
6097: ['quota'],$udom);
6098: if (ref($quotahash{'quota'}) eq 'HASH') {
6099: if ($inststatus ne '') {
6100: my @statuses = split(/:/,$inststatus);
6101: foreach my $item (@statuses) {
6102: if ($quotahash{'quota'}{$item} ne '') {
6103: if ($defquota eq '') {
6104: $defquota = $quotahash{'quota'}{$item};
6105: $settingstatus = $item;
6106: } elsif ($quotahash{'quota'}{$item} > $defquota) {
6107: $defquota = $quotahash{'quota'}{$item};
6108: $settingstatus = $item;
6109: }
6110: }
6111: }
6112: }
6113: if ($defquota eq '') {
6114: $defquota = $quotahash{'quota'}{'default'};
6115: $settingstatus = 'default';
6116: }
6117: } else {
6118: $settingstatus = 'default';
6119: $defquota = 20;
6120: }
6121: if (wantarray) {
6122: return ($defquota,$settingstatus);
1.472 raeburn 6123: } else {
1.536 raeburn 6124: return $defquota;
1.472 raeburn 6125: }
6126: }
6127:
1.384 raeburn 6128: sub get_secgrprole_info {
6129: my ($cdom,$cnum,$needroles,$type) = @_;
6130: my %sections_count = &get_sections($cdom,$cnum);
6131: my @sections = (sort {$a <=> $b} keys(%sections_count));
6132: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
6133: my @groups = sort(keys(%curr_groups));
6134: my $allroles = [];
6135: my $rolehash;
6136: my $accesshash = {
6137: active => 'Currently has access',
6138: future => 'Will have future access',
6139: previous => 'Previously had access',
6140: };
6141: if ($needroles) {
6142: $rolehash = {'all' => 'all'};
1.385 albertel 6143: my %user_roles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
6144: if (&Apache::lonnet::error(%user_roles)) {
6145: undef(%user_roles);
6146: }
6147: foreach my $item (keys(%user_roles)) {
1.384 raeburn 6148: my ($role)=split(/\:/,$item,2);
6149: if ($role eq 'cr') { next; }
6150: if ($role =~ /^cr/) {
6151: $$rolehash{$role} = (split('/',$role))[3];
6152: } else {
6153: $$rolehash{$role} = &Apache::lonnet::plaintext($role,$type);
6154: }
6155: }
6156: foreach my $key (sort(keys(%{$rolehash}))) {
6157: push(@{$allroles},$key);
6158: }
6159: push (@{$allroles},'st');
6160: $$rolehash{'st'} = &Apache::lonnet::plaintext('st',$type);
6161: }
6162: return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
6163: }
6164:
1.555 raeburn 6165: sub user_picker {
1.570 raeburn 6166: my ($dom,$srch,$forcenewuser,$caller) = @_;
1.555 raeburn 6167: my $currdom = $dom;
6168: my %curr_selected = (
6169: srchin => 'dom',
1.580 raeburn 6170: srchby => 'lastname',
1.555 raeburn 6171: );
6172: my $srchterm;
6173: if (ref($srch) eq 'HASH') {
6174: if ($srch->{'srchby'} ne '') {
6175: $curr_selected{'srchby'} = $srch->{'srchby'};
6176: }
6177: if ($srch->{'srchin'} ne '') {
6178: $curr_selected{'srchin'} = $srch->{'srchin'};
6179: }
6180: if ($srch->{'srchtype'} ne '') {
6181: $curr_selected{'srchtype'} = $srch->{'srchtype'};
6182: }
6183: if ($srch->{'srchdomain'} ne '') {
6184: $currdom = $srch->{'srchdomain'};
6185: }
6186: $srchterm = $srch->{'srchterm'};
6187: }
6188: my %lt=&Apache::lonlocal::texthash(
1.573 raeburn 6189: 'usr' => 'Search criteria',
1.563 raeburn 6190: 'doma' => 'Domain/institution to search',
1.558 albertel 6191: 'uname' => 'username',
6192: 'lastname' => 'last name',
1.555 raeburn 6193: 'lastfirst' => 'last name, first name',
1.558 albertel 6194: 'crs' => 'in this course',
1.576 raeburn 6195: 'dom' => 'in selected LON-CAPA domain',
1.558 albertel 6196: 'alc' => 'all LON-CAPA',
1.573 raeburn 6197: 'instd' => 'in institutional directory for selected domain',
1.558 albertel 6198: 'exact' => 'is',
6199: 'contains' => 'contains',
1.569 raeburn 6200: 'begins' => 'begins with',
1.571 raeburn 6201: 'youm' => "You must include some text to search for.",
6202: 'thte' => "The text you are searching for must contain at least two characters when using a 'begins' type search.",
6203: 'thet' => "The text you are searching for must contain at least three characters when using a 'contains' type search.",
6204: 'yomc' => "You must choose a domain when using an institutional directory search.",
6205: 'ymcd' => "You must choose a domain when using a domain search.",
6206: 'whus' => "When using searching by last,first you must include a comma as separator between last name and first name.",
6207: 'whse' => "When searching by last,first you must include at least one character in the first name.",
6208: 'thfo' => "The following need to be corrected before the search can be run:",
1.555 raeburn 6209: );
1.563 raeburn 6210: my $domform = &select_dom_form($currdom,'srchdomain',1,1);
6211: my $srchinsel = ' <select name="srchin">';
1.555 raeburn 6212:
6213: my @srchins = ('crs','dom','alc','instd');
6214:
6215: foreach my $option (@srchins) {
6216: # FIXME 'alc' option unavailable until
6217: # loncreateuser::print_user_query_page()
6218: # has been completed.
6219: next if ($option eq 'alc');
6220: next if ($option eq 'crs' && !$env{'request.course.id'});
1.563 raeburn 6221: if ($curr_selected{'srchin'} eq $option) {
6222: $srchinsel .= '
6223: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
6224: } else {
6225: $srchinsel .= '
6226: <option value="'.$option.'">'.$lt{$option}.'</option>';
6227: }
1.555 raeburn 6228: }
1.563 raeburn 6229: $srchinsel .= "\n </select>\n";
1.555 raeburn 6230:
6231: my $srchbysel = ' <select name="srchby">';
1.580 raeburn 6232: foreach my $option ('lastname','lastfirst','uname') {
1.555 raeburn 6233: if ($curr_selected{'srchby'} eq $option) {
6234: $srchbysel .= '
6235: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
6236: } else {
6237: $srchbysel .= '
6238: <option value="'.$option.'">'.$lt{$option}.'</option>';
6239: }
6240: }
6241: $srchbysel .= "\n </select>\n";
6242:
6243: my $srchtypesel = ' <select name="srchtype">';
1.580 raeburn 6244: foreach my $option ('begins','contains','exact') {
1.555 raeburn 6245: if ($curr_selected{'srchtype'} eq $option) {
6246: $srchtypesel .= '
6247: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
6248: } else {
6249: $srchtypesel .= '
6250: <option value="'.$option.'">'.$lt{$option}.'</option>';
6251: }
6252: }
6253: $srchtypesel .= "\n </select>\n";
6254:
1.558 albertel 6255: my ($newuserscript,$new_user_create);
1.556 raeburn 6256:
6257: if ($forcenewuser) {
1.576 raeburn 6258: if (ref($srch) eq 'HASH') {
6259: if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $env{'request.role.domain'}) {
6260: $new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\','.$caller.');" /> </p>';
6261: }
6262: }
6263:
1.556 raeburn 6264: $newuserscript = <<"ENDSCRIPT";
6265:
1.570 raeburn 6266: function setSearch(createnew,callingForm) {
1.556 raeburn 6267: if (createnew == 1) {
1.570 raeburn 6268: for (var i=0; i<callingForm.srchby.length; i++) {
6269: if (callingForm.srchby.options[i].value == 'uname') {
6270: callingForm.srchby.selectedIndex = i;
1.556 raeburn 6271: }
6272: }
1.570 raeburn 6273: for (var i=0; i<callingForm.srchin.length; i++) {
6274: if ( callingForm.srchin.options[i].value == 'dom') {
6275: callingForm.srchin.selectedIndex = i;
1.556 raeburn 6276: }
6277: }
1.570 raeburn 6278: for (var i=0; i<callingForm.srchtype.length; i++) {
6279: if (callingForm.srchtype.options[i].value == 'exact') {
6280: callingForm.srchtype.selectedIndex = i;
1.556 raeburn 6281: }
6282: }
1.570 raeburn 6283: for (var i=0; i<callingForm.srchdomain.length; i++) {
6284: if (callingForm.srchdomain.options[i].value == '$env{'request.role.domain'}') {
6285: callingForm.srchdomain.selectedIndex = i;
1.556 raeburn 6286: }
6287: }
6288: }
6289: }
6290: ENDSCRIPT
1.558 albertel 6291:
1.556 raeburn 6292: }
6293:
1.555 raeburn 6294: my $output = <<"END_BLOCK";
1.556 raeburn 6295: <script type="text/javascript">
1.570 raeburn 6296: function validateEntry(callingForm) {
1.558 albertel 6297:
1.556 raeburn 6298: var checkok = 1;
1.558 albertel 6299: var srchin;
1.570 raeburn 6300: for (var i=0; i<callingForm.srchin.length; i++) {
6301: if ( callingForm.srchin[i].checked ) {
6302: srchin = callingForm.srchin[i].value;
1.558 albertel 6303: }
6304: }
6305:
1.570 raeburn 6306: var srchtype = callingForm.srchtype.options[callingForm.srchtype.selectedIndex].value;
6307: var srchby = callingForm.srchby.options[callingForm.srchby.selectedIndex].value;
6308: var srchdomain = callingForm.srchdomain.options[callingForm.srchdomain.selectedIndex].value;
6309: var srchterm = callingForm.srchterm.value;
6310: var srchin = callingForm.srchin.options[callingForm.srchin.selectedIndex].value;
1.556 raeburn 6311: var msg = "";
6312:
6313: if (srchterm == "") {
6314: checkok = 0;
1.571 raeburn 6315: msg += "$lt{'youm'}\\n";
1.556 raeburn 6316: }
6317:
1.569 raeburn 6318: if (srchtype== 'begins') {
6319: if (srchterm.length < 2) {
6320: checkok = 0;
1.571 raeburn 6321: msg += "$lt{'thte'}\\n";
1.569 raeburn 6322: }
6323: }
6324:
1.556 raeburn 6325: if (srchtype== 'contains') {
6326: if (srchterm.length < 3) {
6327: checkok = 0;
1.571 raeburn 6328: msg += "$lt{'thet'}\\n";
1.556 raeburn 6329: }
6330: }
6331: if (srchin == 'instd') {
6332: if (srchdomain == '') {
6333: checkok = 0;
1.571 raeburn 6334: msg += "$lt{'yomc'}\\n";
1.556 raeburn 6335: }
6336: }
6337: if (srchin == 'dom') {
6338: if (srchdomain == '') {
6339: checkok = 0;
1.571 raeburn 6340: msg += "$lt{'ymcd'}\\n";
1.556 raeburn 6341: }
6342: }
6343: if (srchby == 'lastfirst') {
6344: if (srchterm.indexOf(",") == -1) {
6345: checkok = 0;
1.571 raeburn 6346: msg += "$lt{'whus'}\\n";
1.556 raeburn 6347: }
6348: if (srchterm.indexOf(",") == srchterm.length -1) {
6349: checkok = 0;
1.571 raeburn 6350: msg += "$lt{'whse'}\\n";
1.556 raeburn 6351: }
6352: }
6353: if (checkok == 0) {
1.571 raeburn 6354: alert("$lt{'thfo'}\\n"+msg);
1.556 raeburn 6355: return;
6356: }
6357: if (checkok == 1) {
1.570 raeburn 6358: callingForm.submit();
1.556 raeburn 6359: }
6360: }
6361:
6362: $newuserscript
6363:
6364: </script>
1.558 albertel 6365:
6366: $new_user_create
6367:
1.555 raeburn 6368: <table>
1.558 albertel 6369: <tr>
1.573 raeburn 6370: <td>$lt{'doma'}:</td>
6371: <td>$domform</td>
6372: </td>
6373: </tr>
6374: <tr>
6375: <td>$lt{'usr'}:</td>
1.563 raeburn 6376: <td>$srchbysel
6377: $srchtypesel
6378: <input type="text" size="15" name="srchterm" value="$srchterm" />
1.564 albertel 6379: $srchinsel
1.563 raeburn 6380: </td>
6381: </tr>
1.555 raeburn 6382: </table>
6383: <br />
6384: END_BLOCK
1.558 albertel 6385:
1.555 raeburn 6386: return $output;
6387: }
6388:
1.585 raeburn 6389: sub username_rule_check {
6390: my ($srch,$caller) = @_;
6391: my ($response,@curr_rules,%inst_results,$rulematch);
6392: my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($srch->{'srchdomain'});
6393: if (ref($srch) eq 'HASH') {
6394: (my $inst_response,%inst_results) =
6395: &Apache::lonnet::get_instuser($srch->{'srchdomain'},
6396: $srch->{'srchterm'});
6397: my %domconfig = &Apache::lonnet::get_dom('configuration',
6398: ['usercreation'],$srch->{'srchdomain'});
6399: if (ref($domconfig{'usercreation'}) eq 'HASH') {
6400: if (ref($domconfig{'usercreation'}{'username_rule'}) eq 'ARRAY') {
6401: @curr_rules = @{$domconfig{'usercreation'}{'username_rule'}};
6402: }
6403: }
6404: if (@curr_rules > 0) {
6405: my $domdesc = &Apache::lonnet::domain($srch->{'srchdomain'},'description');
6406: my $instuser_reqd;
6407: my %rule_check = &Apache::lonnet::inst_rulecheck($srch->{'srchdomain'},$srch->{'srchterm'},\@curr_rules);
6408: foreach my $rule (@curr_rules) {
6409: if ($rule_check{$rule}) {
6410: $rulematch = $rule;
6411: if ($inst_response eq 'ok') {
6412: if (keys(%inst_results) == 0) {
6413: if ($caller eq 'new') {
6414: $response = &mt('The username you chose matches the format of usernames defined for <span class="LC_cusr_emph">[_1]</span>, but the user does not exist in the institutional directory.',$domdesc).'<br />'.&mt("You must choose a username with a different format -- one that will not conflict with 'official' institutional usernames.");
6415: }
6416: }
6417: }
6418: last;
6419: }
6420: }
6421: if ($response) {
6422: if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {
6423: if (@{$ruleorder} > 0) {
6424: $response .= '<br />'.&mt('Usernames with the following format(s) may <span class="LC_cusr_emph">only</span> be used for verified users at [_1]:',$domdesc).' <ul>';
6425: foreach my $rule (@{$ruleorder}) {
6426: if (grep(/^\Q$rule\E$/,@curr_rules)) {
6427: if (ref($rules->{$rule}) eq 'HASH') {
6428: $response .= '<li>'.$rules->{$rule}{'name'}.': '.
6429: $rules->{$rule}{'desc'}.'</li>';
6430: }
6431: }
6432: }
6433: }
6434: $response .= '</ul>';
6435: }
6436: }
6437: }
6438: }
6439: return ($response,$rulematch,$rules,%inst_results);
6440: }
6441:
1.112 bowersj2 6442: =pod
6443:
1.549 albertel 6444: =back
6445:
6446: =head1 HTTP Helpers
6447:
6448: =over 4
6449:
1.112 bowersj2 6450: =item * get_unprocessed_cgi($query,$possible_names)
6451:
1.258 albertel 6452: Modify the %env hash to contain unprocessed CGI form parameters held in
1.112 bowersj2 6453: $query. The parameters listed in $possible_names (an array reference),
1.258 albertel 6454: will be set in $env{'form.name'} if they do not already exist.
1.112 bowersj2 6455:
6456: Typically called with $ENV{'QUERY_STRING'} as the first parameter.
6457: $possible_names is an ref to an array of form element names. As an example:
6458: get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']);
1.258 albertel 6459: will result in $env{'form.uname'} and $env{'form.udom'} being set.
1.112 bowersj2 6460:
6461: =cut
1.1 albertel 6462:
1.6 albertel 6463: sub get_unprocessed_cgi {
1.25 albertel 6464: my ($query,$possible_names)= @_;
1.26 matthew 6465: # $Apache::lonxml::debug=1;
1.356 albertel 6466: foreach my $pair (split(/&/,$query)) {
6467: my ($name, $value) = split(/=/,$pair);
1.369 www 6468: $name = &unescape($name);
1.25 albertel 6469: if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) {
6470: $value =~ tr/+/ /;
6471: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.258 albertel 6472: unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) };
1.25 albertel 6473: }
1.16 harris41 6474: }
1.6 albertel 6475: }
6476:
1.112 bowersj2 6477: =pod
6478:
6479: =item * cacheheader()
6480:
6481: returns cache-controlling header code
6482:
6483: =cut
6484:
1.7 albertel 6485: sub cacheheader {
1.258 albertel 6486: unless ($env{'request.method'} eq 'GET') { return ''; }
1.216 albertel 6487: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
6488: my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" />
1.7 albertel 6489: <meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" />
6490: <meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />';
1.216 albertel 6491: return $output;
1.7 albertel 6492: }
6493:
1.112 bowersj2 6494: =pod
6495:
6496: =item * no_cache($r)
6497:
6498: specifies header code to not have cache
6499:
6500: =cut
6501:
1.9 albertel 6502: sub no_cache {
1.216 albertel 6503: my ($r) = @_;
6504: if ($ENV{'REQUEST_METHOD'} ne 'GET' &&
1.258 albertel 6505: $env{'request.method'} ne 'GET') { return ''; }
1.216 albertel 6506: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time));
6507: $r->no_cache(1);
6508: $r->header_out("Expires" => $date);
6509: $r->header_out("Pragma" => "no-cache");
1.123 www 6510: }
6511:
6512: sub content_type {
1.181 albertel 6513: my ($r,$type,$charset) = @_;
1.299 foxr 6514: if ($r) {
6515: # Note that printout.pl calls this with undef for $r.
6516: &no_cache($r);
6517: }
1.258 albertel 6518: if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
1.181 albertel 6519: unless ($charset) {
6520: $charset=&Apache::lonlocal::current_encoding;
6521: }
6522: if ($charset) { $type.='; charset='.$charset; }
6523: if ($r) {
6524: $r->content_type($type);
6525: } else {
6526: print("Content-type: $type\n\n");
6527: }
1.9 albertel 6528: }
1.25 albertel 6529:
1.112 bowersj2 6530: =pod
6531:
6532: =item * add_to_env($name,$value)
6533:
1.258 albertel 6534: adds $name to the %env hash with value
1.112 bowersj2 6535: $value, if $name already exists, the entry is converted to an array
6536: reference and $value is added to the array.
6537:
6538: =cut
6539:
1.25 albertel 6540: sub add_to_env {
6541: my ($name,$value)=@_;
1.258 albertel 6542: if (defined($env{$name})) {
6543: if (ref($env{$name})) {
1.25 albertel 6544: #already have multiple values
1.258 albertel 6545: push(@{ $env{$name} },$value);
1.25 albertel 6546: } else {
6547: #first time seeing multiple values, convert hash entry to an arrayref
1.258 albertel 6548: my $first=$env{$name};
6549: undef($env{$name});
6550: push(@{ $env{$name} },$first,$value);
1.25 albertel 6551: }
6552: } else {
1.258 albertel 6553: $env{$name}=$value;
1.25 albertel 6554: }
1.31 albertel 6555: }
1.149 albertel 6556:
6557: =pod
6558:
6559: =item * get_env_multiple($name)
6560:
1.258 albertel 6561: gets $name from the %env hash, it seemlessly handles the cases where multiple
1.149 albertel 6562: values may be defined and end up as an array ref.
6563:
6564: returns an array of values
6565:
6566: =cut
6567:
6568: sub get_env_multiple {
6569: my ($name) = @_;
6570: my @values;
1.258 albertel 6571: if (defined($env{$name})) {
1.149 albertel 6572: # exists is it an array
1.258 albertel 6573: if (ref($env{$name})) {
6574: @values=@{ $env{$name} };
1.149 albertel 6575: } else {
1.258 albertel 6576: $values[0]=$env{$name};
1.149 albertel 6577: }
6578: }
6579: return(@values);
6580: }
6581:
1.31 albertel 6582:
1.41 ng 6583: =pod
1.45 matthew 6584:
1.464 albertel 6585: =back
1.41 ng 6586:
1.112 bowersj2 6587: =head1 CSV Upload/Handling functions
1.38 albertel 6588:
1.41 ng 6589: =over 4
6590:
1.112 bowersj2 6591: =item * upfile_store($r)
1.41 ng 6592:
6593: Store uploaded file, $r should be the HTTP Request object,
1.258 albertel 6594: needs $env{'form.upfile'}
1.41 ng 6595: returns $datatoken to be put into hidden field
6596:
6597: =cut
1.31 albertel 6598:
6599: sub upfile_store {
6600: my $r=shift;
1.258 albertel 6601: $env{'form.upfile'}=~s/\r/\n/gs;
6602: $env{'form.upfile'}=~s/\f/\n/gs;
6603: $env{'form.upfile'}=~s/\n+/\n/gs;
6604: $env{'form.upfile'}=~s/\n+$//gs;
1.31 albertel 6605:
1.258 albertel 6606: my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
6607: '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
1.31 albertel 6608: {
1.158 raeburn 6609: my $datafile = $r->dir_config('lonDaemons').
6610: '/tmp/'.$datatoken.'.tmp';
6611: if ( open(my $fh,">$datafile") ) {
1.258 albertel 6612: print $fh $env{'form.upfile'};
1.158 raeburn 6613: close($fh);
6614: }
1.31 albertel 6615: }
6616: return $datatoken;
6617: }
6618:
1.56 matthew 6619: =pod
6620:
1.112 bowersj2 6621: =item * load_tmp_file($r)
1.41 ng 6622:
6623: Load uploaded file from tmp, $r should be the HTTP Request object,
1.258 albertel 6624: needs $env{'form.datatoken'},
6625: sets $env{'form.upfile'} to the contents of the file
1.41 ng 6626:
6627: =cut
1.31 albertel 6628:
6629: sub load_tmp_file {
6630: my $r=shift;
6631: my @studentdata=();
6632: {
1.158 raeburn 6633: my $studentfile = $r->dir_config('lonDaemons').
1.258 albertel 6634: '/tmp/'.$env{'form.datatoken'}.'.tmp';
1.158 raeburn 6635: if ( open(my $fh,"<$studentfile") ) {
6636: @studentdata=<$fh>;
6637: close($fh);
6638: }
1.31 albertel 6639: }
1.258 albertel 6640: $env{'form.upfile'}=join('',@studentdata);
1.31 albertel 6641: }
6642:
1.56 matthew 6643: =pod
6644:
1.112 bowersj2 6645: =item * upfile_record_sep()
1.41 ng 6646:
6647: Separate uploaded file into records
6648: returns array of records,
1.258 albertel 6649: needs $env{'form.upfile'} and $env{'form.upfiletype'}
1.41 ng 6650:
6651: =cut
1.31 albertel 6652:
6653: sub upfile_record_sep {
1.258 albertel 6654: if ($env{'form.upfiletype'} eq 'xml') {
1.31 albertel 6655: } else {
1.248 albertel 6656: my @records;
1.258 albertel 6657: foreach my $line (split(/\n/,$env{'form.upfile'})) {
1.248 albertel 6658: if ($line=~/^\s*$/) { next; }
6659: push(@records,$line);
6660: }
6661: return @records;
1.31 albertel 6662: }
6663: }
6664:
1.56 matthew 6665: =pod
6666:
1.112 bowersj2 6667: =item * record_sep($record)
1.41 ng 6668:
1.258 albertel 6669: Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
1.41 ng 6670:
6671: =cut
6672:
1.263 www 6673: sub takeleft {
6674: my $index=shift;
6675: return substr('0000'.$index,-4,4);
6676: }
6677:
1.31 albertel 6678: sub record_sep {
6679: my $record=shift;
6680: my %components=();
1.258 albertel 6681: if ($env{'form.upfiletype'} eq 'xml') {
6682: } elsif ($env{'form.upfiletype'} eq 'space') {
1.31 albertel 6683: my $i=0;
1.356 albertel 6684: foreach my $field (split(/\s+/,$record)) {
1.31 albertel 6685: $field=~s/^(\"|\')//;
6686: $field=~s/(\"|\')$//;
1.263 www 6687: $components{&takeleft($i)}=$field;
1.31 albertel 6688: $i++;
6689: }
1.258 albertel 6690: } elsif ($env{'form.upfiletype'} eq 'tab') {
1.31 albertel 6691: my $i=0;
1.356 albertel 6692: foreach my $field (split(/\t/,$record)) {
1.31 albertel 6693: $field=~s/^(\"|\')//;
6694: $field=~s/(\"|\')$//;
1.263 www 6695: $components{&takeleft($i)}=$field;
1.31 albertel 6696: $i++;
6697: }
6698: } else {
1.561 www 6699: my $separator=',';
1.480 banghart 6700: if ($env{'form.upfiletype'} eq 'semisv') {
1.561 www 6701: $separator=';';
1.480 banghart 6702: }
1.31 albertel 6703: my $i=0;
1.561 www 6704: # the character we are looking for to indicate the end of a quote or a record
6705: my $looking_for=$separator;
6706: # do not add the characters to the fields
6707: my $ignore=0;
6708: # we just encountered a separator (or the beginning of the record)
6709: my $just_found_separator=1;
6710: # store the field we are working on here
6711: my $field='';
6712: # work our way through all characters in record
6713: foreach my $character ($record=~/(.)/g) {
6714: if ($character eq $looking_for) {
6715: if ($character ne $separator) {
6716: # Found the end of a quote, again looking for separator
6717: $looking_for=$separator;
6718: $ignore=1;
6719: } else {
6720: # Found a separator, store away what we got
6721: $components{&takeleft($i)}=$field;
6722: $i++;
6723: $just_found_separator=1;
6724: $ignore=0;
6725: $field='';
6726: }
6727: next;
6728: }
6729: # single or double quotation marks after a separator indicate beginning of a quote
6730: # we are now looking for the end of the quote and need to ignore separators
6731: if ((($character eq '"') || ($character eq "'")) && ($just_found_separator)) {
6732: $looking_for=$character;
6733: next;
6734: }
6735: # ignore would be true after we reached the end of a quote
6736: if ($ignore) { next; }
6737: if (($just_found_separator) && ($character=~/\s/)) { next; }
6738: $field.=$character;
6739: $just_found_separator=0;
1.31 albertel 6740: }
1.561 www 6741: # catch the very last entry, since we never encountered the separator
6742: $components{&takeleft($i)}=$field;
1.31 albertel 6743: }
6744: return %components;
6745: }
6746:
1.144 matthew 6747: ######################################################
6748: ######################################################
6749:
1.56 matthew 6750: =pod
6751:
1.112 bowersj2 6752: =item * upfile_select_html()
1.41 ng 6753:
1.144 matthew 6754: Return HTML code to select a file from the users machine and specify
6755: the file type.
1.41 ng 6756:
6757: =cut
6758:
1.144 matthew 6759: ######################################################
6760: ######################################################
1.31 albertel 6761: sub upfile_select_html {
1.144 matthew 6762: my %Types = (
6763: csv => &mt('CSV (comma separated values, spreadsheet)'),
1.480 banghart 6764: semisv => &mt('Semicolon separated values'),
1.144 matthew 6765: space => &mt('Space separated'),
6766: tab => &mt('Tabulator separated'),
6767: # xml => &mt('HTML/XML'),
6768: );
6769: my $Str = '<input type="file" name="upfile" size="50" />'.
6770: '<br />Type: <select name="upfiletype">';
6771: foreach my $type (sort(keys(%Types))) {
6772: $Str .= '<option value="'.$type.'" >'.$Types{$type}."</option>\n";
6773: }
6774: $Str .= "</select>\n";
6775: return $Str;
1.31 albertel 6776: }
6777:
1.301 albertel 6778: sub get_samples {
6779: my ($records,$toget) = @_;
6780: my @samples=({});
6781: my $got=0;
6782: foreach my $rec (@$records) {
6783: my %temp = &record_sep($rec);
6784: if (! grep(/\S/, values(%temp))) { next; }
6785: if (%temp) {
6786: $samples[$got]=\%temp;
6787: $got++;
6788: if ($got == $toget) { last; }
6789: }
6790: }
6791: return \@samples;
6792: }
6793:
1.144 matthew 6794: ######################################################
6795: ######################################################
6796:
1.56 matthew 6797: =pod
6798:
1.112 bowersj2 6799: =item * csv_print_samples($r,$records)
1.41 ng 6800:
6801: Prints a table of sample values from each column uploaded $r is an
6802: Apache Request ref, $records is an arrayref from
6803: &Apache::loncommon::upfile_record_sep
6804:
6805: =cut
6806:
1.144 matthew 6807: ######################################################
6808: ######################################################
1.31 albertel 6809: sub csv_print_samples {
6810: my ($r,$records) = @_;
1.301 albertel 6811: my $samples = &get_samples($records,3);
6812:
1.594 raeburn 6813: $r->print(&mt('Samples').'<br />'.&start_data_table().
6814: &start_data_table_header_row());
1.356 albertel 6815: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
6816: $r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); }
1.594 raeburn 6817: $r->print(&end_data_table_header_row());
1.301 albertel 6818: foreach my $hash (@$samples) {
1.594 raeburn 6819: $r->print(&start_data_table_row());
1.356 albertel 6820: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
1.31 albertel 6821: $r->print('<td>');
1.356 albertel 6822: if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
1.31 albertel 6823: $r->print('</td>');
6824: }
1.594 raeburn 6825: $r->print(&end_data_table_row());
1.31 albertel 6826: }
1.594 raeburn 6827: $r->print(&end_data_table().'<br />'."\n");
1.31 albertel 6828: }
6829:
1.144 matthew 6830: ######################################################
6831: ######################################################
6832:
1.56 matthew 6833: =pod
6834:
1.112 bowersj2 6835: =item * csv_print_select_table($r,$records,$d)
1.41 ng 6836:
6837: Prints a table to create associations between values and table columns.
1.144 matthew 6838:
1.41 ng 6839: $r is an Apache Request ref,
6840: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
1.174 matthew 6841: $d is an array of 2 element arrays (internal name, displayed name,defaultcol)
1.41 ng 6842:
6843: =cut
6844:
1.144 matthew 6845: ######################################################
6846: ######################################################
1.31 albertel 6847: sub csv_print_select_table {
6848: my ($r,$records,$d) = @_;
1.301 albertel 6849: my $i=0;
6850: my $samples = &get_samples($records,1);
1.144 matthew 6851: $r->print(&mt('Associate columns with student attributes.')."\n".
1.594 raeburn 6852: &start_data_table().&start_data_table_header_row().
1.144 matthew 6853: '<th>'.&mt('Attribute').'</th>'.
1.594 raeburn 6854: '<th>'.&mt('Column').'</th>'.
6855: &end_data_table_header_row()."\n");
1.356 albertel 6856: foreach my $array_ref (@$d) {
6857: my ($value,$display,$defaultcol)=@{ $array_ref };
1.594 raeburn 6858: $r->print(&start_data_table_row().'<tr><td>'.$display.'</td>');
1.31 albertel 6859:
6860: $r->print('<td><select name=f'.$i.
1.32 matthew 6861: ' onchange="javascript:flip(this.form,'.$i.');">');
1.31 albertel 6862: $r->print('<option value="none"></option>');
1.356 albertel 6863: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
6864: $r->print('<option value="'.$sample.'"'.
6865: ($sample eq $defaultcol ? ' selected="selected" ' : '').
6866: '>Column '.($sample+1).'</option>');
1.31 albertel 6867: }
1.594 raeburn 6868: $r->print('</select></td>'.&end_data_table_row()."\n");
1.31 albertel 6869: $i++;
6870: }
1.594 raeburn 6871: $r->print(&end_data_table());
1.31 albertel 6872: $i--;
6873: return $i;
6874: }
1.56 matthew 6875:
1.144 matthew 6876: ######################################################
6877: ######################################################
6878:
1.56 matthew 6879: =pod
1.31 albertel 6880:
1.112 bowersj2 6881: =item * csv_samples_select_table($r,$records,$d)
1.41 ng 6882:
6883: Prints a table of sample values from the upload and can make associate samples to internal names.
6884:
6885: $r is an Apache Request ref,
6886: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
6887: $d is an array of 2 element arrays (internal name, displayed name)
6888:
6889: =cut
6890:
1.144 matthew 6891: ######################################################
6892: ######################################################
1.31 albertel 6893: sub csv_samples_select_table {
6894: my ($r,$records,$d) = @_;
6895: my $i=0;
1.144 matthew 6896: #
1.301 albertel 6897: my $samples = &get_samples($records,3);
1.594 raeburn 6898: $r->print(&start_data_table().
6899: &start_data_table_header_row().'<th>'.
6900: &mt('Field').'</th><th>'.&mt('Samples').'</th>'.
6901: &end_data_table_header_row());
1.301 albertel 6902:
6903: foreach my $key (sort(keys(%{ $samples->[0] }))) {
1.594 raeburn 6904: $r->print(&start_data_table_row().'<td><select name="f'.$i.'"'.
1.32 matthew 6905: ' onchange="javascript:flip(this.form,'.$i.');">');
1.301 albertel 6906: foreach my $option (@$d) {
6907: my ($value,$display,$defaultcol)=@{ $option };
1.174 matthew 6908: $r->print('<option value="'.$value.'"'.
1.253 albertel 6909: ($i eq $defaultcol ? ' selected="selected" ':'').'>'.
1.174 matthew 6910: $display.'</option>');
1.31 albertel 6911: }
6912: $r->print('</select></td><td>');
1.301 albertel 6913: foreach my $line (0..2) {
6914: if (defined($samples->[$line]{$key})) {
6915: $r->print($samples->[$line]{$key}."<br />\n");
6916: }
6917: }
1.594 raeburn 6918: $r->print('</td>'.&end_data_table_row());
1.31 albertel 6919: $i++;
6920: }
1.594 raeburn 6921: $r->print(&end_data_table());
1.31 albertel 6922: $i--;
6923: return($i);
1.115 matthew 6924: }
6925:
1.144 matthew 6926: ######################################################
6927: ######################################################
6928:
1.115 matthew 6929: =pod
6930:
6931: =item clean_excel_name($name)
6932:
6933: Returns a replacement for $name which does not contain any illegal characters.
6934:
6935: =cut
6936:
1.144 matthew 6937: ######################################################
6938: ######################################################
1.115 matthew 6939: sub clean_excel_name {
6940: my ($name) = @_;
6941: $name =~ s/[:\*\?\/\\]//g;
6942: if (length($name) > 31) {
6943: $name = substr($name,0,31);
6944: }
6945: return $name;
1.25 albertel 6946: }
1.84 albertel 6947:
1.85 albertel 6948: =pod
6949:
1.112 bowersj2 6950: =item * check_if_partid_hidden($id,$symb,$udom,$uname)
1.85 albertel 6951:
6952: Returns either 1 or undef
6953:
6954: 1 if the part is to be hidden, undef if it is to be shown
6955:
6956: Arguments are:
6957:
6958: $id the id of the part to be checked
6959: $symb, optional the symb of the resource to check
6960: $udom, optional the domain of the user to check for
6961: $uname, optional the username of the user to check for
6962:
6963: =cut
1.84 albertel 6964:
6965: sub check_if_partid_hidden {
6966: my ($id,$symb,$udom,$uname) = @_;
1.133 albertel 6967: my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
1.84 albertel 6968: $symb,$udom,$uname);
1.141 albertel 6969: my $truth=1;
6970: #if the string starts with !, then the list is the list to show not hide
6971: if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
1.84 albertel 6972: my @hiddenlist=split(/,/,$hiddenparts);
6973: foreach my $checkid (@hiddenlist) {
1.141 albertel 6974: if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
1.84 albertel 6975: }
1.141 albertel 6976: return !$truth;
1.84 albertel 6977: }
1.127 matthew 6978:
1.138 matthew 6979:
6980: ############################################################
6981: ############################################################
6982:
6983: =pod
6984:
1.157 matthew 6985: =back
6986:
1.138 matthew 6987: =head1 cgi-bin script and graphing routines
6988:
1.157 matthew 6989: =over 4
6990:
1.138 matthew 6991: =item get_cgi_id
6992:
6993: Inputs: none
6994:
6995: Returns an id which can be used to pass environment variables
6996: to various cgi-bin scripts. These environment variables will
6997: be removed from the users environment after a given time by
6998: the routine &Apache::lonnet::transfer_profile_to_env.
6999:
7000: =cut
7001:
7002: ############################################################
7003: ############################################################
1.152 albertel 7004: my $uniq=0;
1.136 matthew 7005: sub get_cgi_id {
1.154 albertel 7006: $uniq=($uniq+1)%100000;
1.280 albertel 7007: return (time.'_'.$$.'_'.$uniq);
1.136 matthew 7008: }
7009:
1.127 matthew 7010: ############################################################
7011: ############################################################
7012:
7013: =pod
7014:
1.134 matthew 7015: =item DrawBarGraph
1.127 matthew 7016:
1.138 matthew 7017: Facilitates the plotting of data in a (stacked) bar graph.
7018: Puts plot definition data into the users environment in order for
7019: graph.png to plot it. Returns an <img> tag for the plot.
7020: The bars on the plot are labeled '1','2',...,'n'.
7021:
7022: Inputs:
7023:
7024: =over 4
7025:
7026: =item $Title: string, the title of the plot
7027:
7028: =item $xlabel: string, text describing the X-axis of the plot
7029:
7030: =item $ylabel: string, text describing the Y-axis of the plot
7031:
7032: =item $Max: scalar, the maximum Y value to use in the plot
7033: If $Max is < any data point, the graph will not be rendered.
7034:
1.140 matthew 7035: =item $colors: array ref holding the colors to be used for the data sets when
1.138 matthew 7036: they are plotted. If undefined, default values will be used.
7037:
1.178 matthew 7038: =item $labels: array ref holding the labels to use on the x-axis for the bars.
7039:
1.138 matthew 7040: =item @Values: An array of array references. Each array reference holds data
7041: to be plotted in a stacked bar chart.
7042:
1.239 matthew 7043: =item If the final element of @Values is a hash reference the key/value
7044: pairs will be added to the graph definition.
7045:
1.138 matthew 7046: =back
7047:
7048: Returns:
7049:
7050: An <img> tag which references graph.png and the appropriate identifying
7051: information for the plot.
7052:
1.127 matthew 7053: =cut
7054:
7055: ############################################################
7056: ############################################################
1.134 matthew 7057: sub DrawBarGraph {
1.178 matthew 7058: my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
1.134 matthew 7059: #
7060: if (! defined($colors)) {
7061: $colors = ['#33ff00',
7062: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
7063: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
7064: ];
7065: }
1.228 matthew 7066: my $extra_settings = {};
7067: if (ref($Values[-1]) eq 'HASH') {
7068: $extra_settings = pop(@Values);
7069: }
1.127 matthew 7070: #
1.136 matthew 7071: my $identifier = &get_cgi_id();
7072: my $id = 'cgi.'.$identifier;
1.129 matthew 7073: if (! @Values || ref($Values[0]) ne 'ARRAY') {
1.127 matthew 7074: return '';
7075: }
1.225 matthew 7076: #
7077: my @Labels;
7078: if (defined($labels)) {
7079: @Labels = @$labels;
7080: } else {
7081: for (my $i=0;$i<@{$Values[0]};$i++) {
7082: push (@Labels,$i+1);
7083: }
7084: }
7085: #
1.129 matthew 7086: my $NumBars = scalar(@{$Values[0]});
1.225 matthew 7087: if ($NumBars < scalar(@Labels)) { $NumBars = scalar(@Labels); }
1.129 matthew 7088: my %ValuesHash;
7089: my $NumSets=1;
7090: foreach my $array (@Values) {
7091: next if (! ref($array));
1.136 matthew 7092: $ValuesHash{$id.'.data.'.$NumSets++} =
1.132 matthew 7093: join(',',@$array);
1.129 matthew 7094: }
1.127 matthew 7095: #
1.136 matthew 7096: my ($height,$width,$xskip,$bar_width) = (200,120,1,15);
1.225 matthew 7097: if ($NumBars < 3) {
7098: $width = 120+$NumBars*32;
1.220 matthew 7099: $xskip = 1;
1.225 matthew 7100: $bar_width = 30;
7101: } elsif ($NumBars < 5) {
7102: $width = 120+$NumBars*20;
7103: $xskip = 1;
7104: $bar_width = 20;
1.220 matthew 7105: } elsif ($NumBars < 10) {
1.136 matthew 7106: $width = 120+$NumBars*15;
7107: $xskip = 1;
7108: $bar_width = 15;
7109: } elsif ($NumBars <= 25) {
7110: $width = 120+$NumBars*11;
7111: $xskip = 5;
7112: $bar_width = 8;
7113: } elsif ($NumBars <= 50) {
7114: $width = 120+$NumBars*8;
7115: $xskip = 5;
7116: $bar_width = 4;
7117: } else {
7118: $width = 120+$NumBars*8;
7119: $xskip = 5;
7120: $bar_width = 4;
7121: }
7122: #
1.137 matthew 7123: $Max = 1 if ($Max < 1);
7124: if ( int($Max) < $Max ) {
7125: $Max++;
7126: $Max = int($Max);
7127: }
1.127 matthew 7128: $Title = '' if (! defined($Title));
7129: $xlabel = '' if (! defined($xlabel));
7130: $ylabel = '' if (! defined($ylabel));
1.369 www 7131: $ValuesHash{$id.'.title'} = &escape($Title);
7132: $ValuesHash{$id.'.xlabel'} = &escape($xlabel);
7133: $ValuesHash{$id.'.ylabel'} = &escape($ylabel);
1.137 matthew 7134: $ValuesHash{$id.'.y_max_value'} = $Max;
1.136 matthew 7135: $ValuesHash{$id.'.NumBars'} = $NumBars;
7136: $ValuesHash{$id.'.NumSets'} = $NumSets;
7137: $ValuesHash{$id.'.PlotType'} = 'bar';
7138: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
7139: $ValuesHash{$id.'.height'} = $height;
7140: $ValuesHash{$id.'.width'} = $width;
7141: $ValuesHash{$id.'.xskip'} = $xskip;
7142: $ValuesHash{$id.'.bar_width'} = $bar_width;
7143: $ValuesHash{$id.'.labels'} = join(',',@Labels);
1.127 matthew 7144: #
1.228 matthew 7145: # Deal with other parameters
7146: while (my ($key,$value) = each(%$extra_settings)) {
7147: $ValuesHash{$id.'.'.$key} = $value;
7148: }
7149: #
1.137 matthew 7150: &Apache::lonnet::appenv(%ValuesHash);
7151: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
7152: }
7153:
7154: ############################################################
7155: ############################################################
7156:
7157: =pod
7158:
7159: =item DrawXYGraph
7160:
1.138 matthew 7161: Facilitates the plotting of data in an XY graph.
7162: Puts plot definition data into the users environment in order for
7163: graph.png to plot it. Returns an <img> tag for the plot.
7164:
7165: Inputs:
7166:
7167: =over 4
7168:
7169: =item $Title: string, the title of the plot
7170:
7171: =item $xlabel: string, text describing the X-axis of the plot
7172:
7173: =item $ylabel: string, text describing the Y-axis of the plot
7174:
7175: =item $Max: scalar, the maximum Y value to use in the plot
7176: If $Max is < any data point, the graph will not be rendered.
7177:
7178: =item $colors: Array ref containing the hex color codes for the data to be
7179: plotted in. If undefined, default values will be used.
7180:
7181: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
7182:
7183: =item $Ydata: Array ref containing Array refs.
1.185 www 7184: Each of the contained arrays will be plotted as a separate curve.
1.138 matthew 7185:
7186: =item %Values: hash indicating or overriding any default values which are
7187: passed to graph.png.
7188: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
7189:
7190: =back
7191:
7192: Returns:
7193:
7194: An <img> tag which references graph.png and the appropriate identifying
7195: information for the plot.
7196:
1.137 matthew 7197: =cut
7198:
7199: ############################################################
7200: ############################################################
7201: sub DrawXYGraph {
7202: my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_;
7203: #
7204: # Create the identifier for the graph
7205: my $identifier = &get_cgi_id();
7206: my $id = 'cgi.'.$identifier;
7207: #
7208: $Title = '' if (! defined($Title));
7209: $xlabel = '' if (! defined($xlabel));
7210: $ylabel = '' if (! defined($ylabel));
7211: my %ValuesHash =
7212: (
1.369 www 7213: $id.'.title' => &escape($Title),
7214: $id.'.xlabel' => &escape($xlabel),
7215: $id.'.ylabel' => &escape($ylabel),
1.137 matthew 7216: $id.'.y_max_value'=> $Max,
7217: $id.'.labels' => join(',',@$Xlabels),
7218: $id.'.PlotType' => 'XY',
7219: );
7220: #
7221: if (defined($colors) && ref($colors) eq 'ARRAY') {
7222: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
7223: }
7224: #
7225: if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') {
7226: return '';
7227: }
7228: my $NumSets=1;
1.138 matthew 7229: foreach my $array (@{$Ydata}){
1.137 matthew 7230: next if (! ref($array));
7231: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
7232: }
1.138 matthew 7233: $ValuesHash{$id.'.NumSets'} = $NumSets-1;
1.137 matthew 7234: #
7235: # Deal with other parameters
7236: while (my ($key,$value) = each(%Values)) {
7237: $ValuesHash{$id.'.'.$key} = $value;
1.127 matthew 7238: }
7239: #
1.136 matthew 7240: &Apache::lonnet::appenv(%ValuesHash);
7241: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
7242: }
7243:
7244: ############################################################
7245: ############################################################
7246:
7247: =pod
7248:
1.138 matthew 7249: =item DrawXYYGraph
7250:
7251: Facilitates the plotting of data in an XY graph with two Y axes.
7252: Puts plot definition data into the users environment in order for
7253: graph.png to plot it. Returns an <img> tag for the plot.
7254:
7255: Inputs:
7256:
7257: =over 4
7258:
7259: =item $Title: string, the title of the plot
7260:
7261: =item $xlabel: string, text describing the X-axis of the plot
7262:
7263: =item $ylabel: string, text describing the Y-axis of the plot
7264:
7265: =item $colors: Array ref containing the hex color codes for the data to be
7266: plotted in. If undefined, default values will be used.
7267:
7268: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
7269:
7270: =item $Ydata1: The first data set
7271:
7272: =item $Min1: The minimum value of the left Y-axis
7273:
7274: =item $Max1: The maximum value of the left Y-axis
7275:
7276: =item $Ydata2: The second data set
7277:
7278: =item $Min2: The minimum value of the right Y-axis
7279:
7280: =item $Max2: The maximum value of the left Y-axis
7281:
7282: =item %Values: hash indicating or overriding any default values which are
7283: passed to graph.png.
7284: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
7285:
7286: =back
7287:
7288: Returns:
7289:
7290: An <img> tag which references graph.png and the appropriate identifying
7291: information for the plot.
1.136 matthew 7292:
7293: =cut
7294:
7295: ############################################################
7296: ############################################################
1.137 matthew 7297: sub DrawXYYGraph {
7298: my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1,
7299: $Ydata2,$Min2,$Max2,%Values)=@_;
1.136 matthew 7300: #
7301: # Create the identifier for the graph
7302: my $identifier = &get_cgi_id();
7303: my $id = 'cgi.'.$identifier;
7304: #
7305: $Title = '' if (! defined($Title));
7306: $xlabel = '' if (! defined($xlabel));
7307: $ylabel = '' if (! defined($ylabel));
7308: my %ValuesHash =
7309: (
1.369 www 7310: $id.'.title' => &escape($Title),
7311: $id.'.xlabel' => &escape($xlabel),
7312: $id.'.ylabel' => &escape($ylabel),
1.136 matthew 7313: $id.'.labels' => join(',',@$Xlabels),
7314: $id.'.PlotType' => 'XY',
7315: $id.'.NumSets' => 2,
1.137 matthew 7316: $id.'.two_axes' => 1,
7317: $id.'.y1_max_value' => $Max1,
7318: $id.'.y1_min_value' => $Min1,
7319: $id.'.y2_max_value' => $Max2,
7320: $id.'.y2_min_value' => $Min2,
1.136 matthew 7321: );
7322: #
1.137 matthew 7323: if (defined($colors) && ref($colors) eq 'ARRAY') {
7324: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
7325: }
7326: #
7327: if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' ||
7328: ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){
1.136 matthew 7329: return '';
7330: }
7331: my $NumSets=1;
1.137 matthew 7332: foreach my $array ($Ydata1,$Ydata2){
1.136 matthew 7333: next if (! ref($array));
7334: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
1.137 matthew 7335: }
7336: #
7337: # Deal with other parameters
7338: while (my ($key,$value) = each(%Values)) {
7339: $ValuesHash{$id.'.'.$key} = $value;
1.136 matthew 7340: }
7341: #
7342: &Apache::lonnet::appenv(%ValuesHash);
1.130 albertel 7343: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
1.139 matthew 7344: }
7345:
7346: ############################################################
7347: ############################################################
7348:
7349: =pod
7350:
1.157 matthew 7351: =back
7352:
1.139 matthew 7353: =head1 Statistics helper routines?
7354:
7355: Bad place for them but what the hell.
7356:
1.157 matthew 7357: =over 4
7358:
1.139 matthew 7359: =item &chartlink
7360:
7361: Returns a link to the chart for a specific student.
7362:
7363: Inputs:
7364:
7365: =over 4
7366:
7367: =item $linktext: The text of the link
7368:
7369: =item $sname: The students username
7370:
7371: =item $sdomain: The students domain
7372:
7373: =back
7374:
1.157 matthew 7375: =back
7376:
1.139 matthew 7377: =cut
7378:
7379: ############################################################
7380: ############################################################
7381: sub chartlink {
7382: my ($linktext, $sname, $sdomain) = @_;
7383: my $link = '<a href="/adm/statistics?reportSelected=student_assessment'.
1.369 www 7384: '&SelectedStudent='.&escape($sname.':'.$sdomain).
1.219 albertel 7385: '&chartoutputmode='.HTML::Entities::encode('html, with all links').
1.139 matthew 7386: '">'.$linktext.'</a>';
1.153 matthew 7387: }
7388:
7389: #######################################################
7390: #######################################################
7391:
7392: =pod
7393:
7394: =head1 Course Environment Routines
1.157 matthew 7395:
7396: =over 4
1.153 matthew 7397:
7398: =item &restore_course_settings
7399:
7400: =item &store_course_settings
7401:
7402: Restores/Store indicated form parameters from the course environment.
7403: Will not overwrite existing values of the form parameters.
7404:
7405: Inputs:
7406: a scalar describing the data (e.g. 'chart', 'problem_analysis')
7407:
7408: a hash ref describing the data to be stored. For example:
7409:
7410: %Save_Parameters = ('Status' => 'scalar',
7411: 'chartoutputmode' => 'scalar',
7412: 'chartoutputdata' => 'scalar',
7413: 'Section' => 'array',
1.373 raeburn 7414: 'Group' => 'array',
1.153 matthew 7415: 'StudentData' => 'array',
7416: 'Maps' => 'array');
7417:
7418: Returns: both routines return nothing
7419:
7420: =cut
7421:
7422: #######################################################
7423: #######################################################
7424: sub store_course_settings {
1.496 albertel 7425: return &store_settings($env{'request.course.id'},@_);
7426: }
7427:
7428: sub store_settings {
1.153 matthew 7429: # save to the environment
7430: # appenv the same items, just to be safe
1.300 albertel 7431: my $udom = $env{'user.domain'};
7432: my $uname = $env{'user.name'};
1.496 albertel 7433: my ($context,$prefix,$Settings) = @_;
1.153 matthew 7434: my %SaveHash;
7435: my %AppHash;
7436: while (my ($setting,$type) = each(%$Settings)) {
1.496 albertel 7437: my $basename = join('.','internal',$context,$prefix,$setting);
1.300 albertel 7438: my $envname = 'environment.'.$basename;
1.258 albertel 7439: if (exists($env{'form.'.$setting})) {
1.153 matthew 7440: # Save this value away
7441: if ($type eq 'scalar' &&
1.258 albertel 7442: (! exists($env{$envname}) ||
7443: $env{$envname} ne $env{'form.'.$setting})) {
7444: $SaveHash{$basename} = $env{'form.'.$setting};
7445: $AppHash{$envname} = $env{'form.'.$setting};
1.153 matthew 7446: } elsif ($type eq 'array') {
7447: my $stored_form;
1.258 albertel 7448: if (ref($env{'form.'.$setting})) {
1.153 matthew 7449: $stored_form = join(',',
7450: map {
1.369 www 7451: &escape($_);
1.258 albertel 7452: } sort(@{$env{'form.'.$setting}}));
1.153 matthew 7453: } else {
7454: $stored_form =
1.369 www 7455: &escape($env{'form.'.$setting});
1.153 matthew 7456: }
7457: # Determine if the array contents are the same.
1.258 albertel 7458: if ($stored_form ne $env{$envname}) {
1.153 matthew 7459: $SaveHash{$basename} = $stored_form;
7460: $AppHash{$envname} = $stored_form;
7461: }
7462: }
7463: }
7464: }
7465: my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
1.300 albertel 7466: $udom,$uname);
1.153 matthew 7467: if ($put_result !~ /^(ok|delayed)/) {
7468: &Apache::lonnet::logthis('unable to save form parameters, '.
7469: 'got error:'.$put_result);
7470: }
7471: # Make sure these settings stick around in this session, too
7472: &Apache::lonnet::appenv(%AppHash);
7473: return;
7474: }
7475:
7476: sub restore_course_settings {
1.499 albertel 7477: return &restore_settings($env{'request.course.id'},@_);
1.496 albertel 7478: }
7479:
7480: sub restore_settings {
7481: my ($context,$prefix,$Settings) = @_;
1.153 matthew 7482: while (my ($setting,$type) = each(%$Settings)) {
1.258 albertel 7483: next if (exists($env{'form.'.$setting}));
1.496 albertel 7484: my $envname = 'environment.internal.'.$context.'.'.$prefix.
1.153 matthew 7485: '.'.$setting;
1.258 albertel 7486: if (exists($env{$envname})) {
1.153 matthew 7487: if ($type eq 'scalar') {
1.258 albertel 7488: $env{'form.'.$setting} = $env{$envname};
1.153 matthew 7489: } elsif ($type eq 'array') {
1.258 albertel 7490: $env{'form.'.$setting} = [
1.153 matthew 7491: map {
1.369 www 7492: &unescape($_);
1.258 albertel 7493: } split(',',$env{$envname})
1.153 matthew 7494: ];
7495: }
7496: }
7497: }
1.127 matthew 7498: }
7499:
7500: ############################################################
7501: ############################################################
1.154 albertel 7502:
1.443 albertel 7503: sub commit_customrole {
7504: my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_;
7505: my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.'@'.$three.' in '.$url.
7506: ($start?', '.&mt('starting').' '.localtime($start):'').
7507: ($end?', ending '.localtime($end):'').': <b>'.
7508: &Apache::lonnet::assigncustomrole(
7509: $udom,$uname,$url,$three,$four,$five,$end,$start).
7510: '</b><br />';
7511: return $output;
7512: }
7513:
7514: sub commit_standardrole {
1.541 raeburn 7515: my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
7516: my ($output,$logmsg,$linefeed);
7517: if ($context eq 'auto') {
7518: $linefeed = "\n";
7519: } else {
7520: $linefeed = "<br />\n";
7521: }
1.443 albertel 7522: if ($three eq 'st') {
1.541 raeburn 7523: my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
7524: $one,$two,$sec,$context);
7525: if (($result =~ /^error/) || ($result eq 'not_in_class') ||
7526: ($result eq 'unknown_course')) {
1.443 albertel 7527: $output = "Error: $result\n";
7528: } else {
1.541 raeburn 7529: $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.
1.443 albertel 7530: ($start?', '.&mt('starting').' '.localtime($start):'').
1.541 raeburn 7531: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
7532: if ($context eq 'auto') {
7533: $output .= $result.$linefeed.&mt('Add to classlist').': ok';
7534: } else {
7535: $output .= '<b>'.$result.'</b>'.$linefeed.
7536: &mt('Add to classlist').': <b>ok</b>';
7537: }
7538: $output .= $linefeed;
1.443 albertel 7539: }
7540: } else {
7541: $output = &mt('Assigning').' '.$three.' in '.$url.
7542: ($start?', '.&mt('starting').' '.localtime($start):'').
1.541 raeburn 7543: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
7544: my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start);
7545: if ($context eq 'auto') {
7546: $output .= $result.$linefeed;
7547: } else {
7548: $output .= '<b>'.$result.'</b>'.$linefeed;
7549: }
1.443 albertel 7550: }
7551: return $output;
7552: }
7553:
7554: sub commit_studentrole {
1.541 raeburn 7555: my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
7556: my ($result,$linefeed);
7557: if ($context eq 'auto') {
7558: $linefeed = "\n";
7559: } else {
7560: $linefeed = '<br />'."\n";
7561: }
1.443 albertel 7562: if (defined($one) && defined($two)) {
7563: my $cid=$one.'_'.$two;
7564: my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
7565: my $secchange = 0;
7566: my $expire_role_result;
7567: my $modify_section_result;
7568: unless ($oldsec eq '-1') {
7569: unless ($sec eq $oldsec) {
7570: $secchange = 1;
7571: my $uurl='/'.$cid;
7572: $uurl=~s/\_/\//g;
7573: if ($oldsec) {
7574: $uurl.='/'.$oldsec;
7575: }
7576: $expire_role_result = &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',time);
7577: $result = $expire_role_result;
7578: }
7579: }
7580: if (($expire_role_result eq 'ok') || ($secchange == 0)) {
7581: $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid);
7582: if ($modify_section_result =~ /^ok/) {
7583: if ($secchange == 1) {
7584: $$logmsg .= "Section for $uname switched from old section: $oldsec to new section: $sec".$linefeed;
7585: } elsif ($oldsec eq '-1') {
7586: $$logmsg .= "New student role for $uname in section $sec in course $cid".$linefeed;
7587: } else {
7588: $$logmsg .= "Student $uname assigned to unchanged section $sec in course $cid".$linefeed;
7589: }
7590: } else {
7591: $$logmsg .= "Error when attempting section change for $uname from old section $oldsec to new section: $sec in course $cid -error: $modify_section_result".$linefeed;
7592: }
7593: $result = $modify_section_result;
7594: } elsif ($secchange == 1) {
7595: $$logmsg .= "Error when attempting to expire role for $uname in old section $oldsec in course $cid -error: $expire_role_result".$linefeed;
7596: }
7597: } else {
7598: $$logmsg .= "Incomplete course id defined. Addition of user $uname from domain $udom to course $one\_$two, section $sec not completed.$linefeed";
7599: $result = "error: incomplete course id\n";
7600: }
7601: return $result;
7602: }
7603:
7604: ############################################################
7605: ############################################################
7606:
1.566 albertel 7607: sub check_clone {
1.578 raeburn 7608: my ($args,$linefeed) = @_;
1.566 albertel 7609: my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
7610: my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
7611: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
7612: my $clonemsg;
7613: my $can_clone = 0;
7614:
7615: if ($clonehome eq 'no_host') {
1.578 raeburn 7616: $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
1.566 albertel 7617: } else {
7618: my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
1.568 albertel 7619: if ($env{'request.role.domain'} eq $args->{'clonedomain'}) {
1.566 albertel 7620: $can_clone = 1;
7621: } else {
7622: my %clonehash = &Apache::lonnet::get('environment',['cloners'],
7623: $args->{'clonedomain'},$args->{'clonecourse'});
7624: my @cloners = split(/,/,$clonehash{'cloners'});
1.578 raeburn 7625: if (grep(/^\*$/,@cloners)) {
7626: $can_clone = 1;
7627: } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) {
7628: $can_clone = 1;
7629: } else {
7630: my %roleshash =
7631: &Apache::lonnet::get_my_roles($args->{'ccuname'},
7632: $args->{'ccdomain'},
7633: 'userroles',['active'],['cc'],
7634: [$args->{'clonedomain'}]);
7635: if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':cc'}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
7636: $can_clone = 1;
7637: } else {
7638: $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
7639: }
1.566 albertel 7640: }
1.578 raeburn 7641: }
1.566 albertel 7642: }
7643: return ($can_clone, $clonemsg, $cloneid, $clonehome);
7644: }
7645:
1.444 albertel 7646: sub construct_course {
1.541 raeburn 7647: my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context) = @_;
1.444 albertel 7648: my $outcome;
1.541 raeburn 7649: my $linefeed = '<br />'."\n";
7650: if ($context eq 'auto') {
7651: $linefeed = "\n";
7652: }
1.566 albertel 7653:
7654: #
7655: # Are we cloning?
7656: #
7657: my ($can_clone, $clonemsg, $cloneid, $clonehome);
7658: if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
1.578 raeburn 7659: ($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args,$linefeed);
1.566 albertel 7660: if ($context ne 'auto') {
1.578 raeburn 7661: if ($clonemsg ne '') {
7662: $clonemsg = '<span class="LC_error">'.$clonemsg.'</span>';
7663: }
1.566 albertel 7664: }
7665: $outcome .= $clonemsg.$linefeed;
7666:
7667: if (!$can_clone) {
7668: return (0,$outcome);
7669: }
7670: }
7671:
1.444 albertel 7672: #
7673: # Open course
7674: #
7675: my $crstype = lc($args->{'crstype'});
7676: my %cenv=();
7677: $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
7678: $args->{'cdescr'},
7679: $args->{'curl'},
7680: $args->{'course_home'},
7681: $args->{'nonstandard'},
7682: $args->{'crscode'},
7683: $args->{'ccuname'}.':'.
7684: $args->{'ccdomain'},
7685: $args->{'crstype'});
7686:
7687: # Note: The testing routines depend on this being output; see
7688: # Utils::Course. This needs to at least be output as a comment
7689: # if anyone ever decides to not show this, and Utils::Course::new
7690: # will need to be suitably modified.
1.541 raeburn 7691: $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
1.444 albertel 7692: #
7693: # Check if created correctly
7694: #
1.479 albertel 7695: ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
1.444 albertel 7696: my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
1.541 raeburn 7697: $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
1.566 albertel 7698:
1.444 albertel 7699: #
1.566 albertel 7700: # Do the cloning
7701: #
7702: if ($can_clone && $cloneid) {
7703: $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);
7704: if ($context ne 'auto') {
7705: $clonemsg = '<span class="LC_success">'.$clonemsg.'</span>';
7706: }
7707: $outcome .= $clonemsg.$linefeed;
7708: my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
1.444 albertel 7709: # Copy all files
1.566 albertel 7710: &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid);
1.444 albertel 7711: # Restore URL
1.566 albertel 7712: $cenv{'url'}=$oldcenv{'url'};
1.444 albertel 7713: # Restore title
1.566 albertel 7714: $cenv{'description'}=$oldcenv{'description'};
1.444 albertel 7715: # restore grading mode
1.566 albertel 7716: if (defined($oldcenv{'grading'})) {
7717: $cenv{'grading'}=$oldcenv{'grading'};
7718: }
1.444 albertel 7719: # Mark as cloned
1.566 albertel 7720: $cenv{'clonedfrom'}=$cloneid;
7721: delete($cenv{'default_enrollment_start_date'});
7722: delete($cenv{'default_enrollment_end_date'});
1.444 albertel 7723: }
1.566 albertel 7724:
1.444 albertel 7725: #
7726: # Set environment (will override cloned, if existing)
7727: #
7728: my @sections = ();
7729: my @xlists = ();
7730: if ($args->{'crstype'}) {
7731: $cenv{'type'}=$args->{'crstype'};
7732: }
7733: if ($args->{'crsid'}) {
7734: $cenv{'courseid'}=$args->{'crsid'};
7735: }
7736: if ($args->{'crscode'}) {
7737: $cenv{'internal.coursecode'}=$args->{'crscode'};
7738: }
7739: if ($args->{'crsquota'} ne '') {
7740: $cenv{'internal.coursequota'}=$args->{'crsquota'};
7741: } else {
7742: $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20;
7743: }
7744: if ($args->{'ccuname'}) {
7745: $cenv{'internal.courseowner'} = $args->{'ccuname'}.
7746: ':'.$args->{'ccdomain'};
7747: } else {
7748: $cenv{'internal.courseowner'} = $args->{'curruser'};
7749: }
7750:
7751: my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
7752: if ($args->{'crssections'}) {
7753: $cenv{'internal.sectionnums'} = '';
7754: if ($args->{'crssections'} =~ m/,/) {
7755: @sections = split/,/,$args->{'crssections'};
7756: } else {
7757: $sections[0] = $args->{'crssections'};
7758: }
7759: if (@sections > 0) {
7760: foreach my $item (@sections) {
7761: my ($sec,$gp) = split/:/,$item;
7762: my $class = $args->{'crscode'}.$sec;
7763: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
7764: $cenv{'internal.sectionnums'} .= $item.',';
7765: unless ($addcheck eq 'ok') {
7766: push @badclasses, $class;
7767: }
7768: }
7769: $cenv{'internal.sectionnums'} =~ s/,$//;
7770: }
7771: }
7772: # do not hide course coordinator from staff listing,
7773: # even if privileged
7774: $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
7775: # add crosslistings
7776: if ($args->{'crsxlist'}) {
7777: $cenv{'internal.crosslistings'}='';
7778: if ($args->{'crsxlist'} =~ m/,/) {
7779: @xlists = split/,/,$args->{'crsxlist'};
7780: } else {
7781: $xlists[0] = $args->{'crsxlist'};
7782: }
7783: if (@xlists > 0) {
7784: foreach my $item (@xlists) {
7785: my ($xl,$gp) = split/:/,$item;
7786: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
7787: $cenv{'internal.crosslistings'} .= $item.',';
7788: unless ($addcheck eq 'ok') {
7789: push @badclasses, $xl;
7790: }
7791: }
7792: $cenv{'internal.crosslistings'} =~ s/,$//;
7793: }
7794: }
7795: if ($args->{'autoadds'}) {
7796: $cenv{'internal.autoadds'}=$args->{'autoadds'};
7797: }
7798: if ($args->{'autodrops'}) {
7799: $cenv{'internal.autodrops'}=$args->{'autodrops'};
7800: }
7801: # check for notification of enrollment changes
7802: my @notified = ();
7803: if ($args->{'notify_owner'}) {
7804: if ($args->{'ccuname'} ne '') {
7805: push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'});
7806: }
7807: }
7808: if ($args->{'notify_dc'}) {
7809: if ($uname ne '') {
7810: push(@notified,$uname.'@'.$udom);
7811: }
7812: }
7813: if (@notified > 0) {
7814: my $notifylist;
7815: if (@notified > 1) {
7816: $notifylist = join(',',@notified);
7817: } else {
7818: $notifylist = $notified[0];
7819: }
7820: $cenv{'internal.notifylist'} = $notifylist;
7821: }
7822: if (@badclasses > 0) {
7823: my %lt=&Apache::lonlocal::texthash(
7824: 'tclb' => 'The courses listed below were included as sections or crosslistings affiliated with your new LON-CAPA course. However, if automated course roster updates are enabled for this class, these particular sections/crosslistings will not contribute towards enrollment, because the user identified as the course owner for this LON-CAPA course',
7825: 'dnhr' => 'does not have rights to access enrollment in these classes',
7826: 'adby' => 'as determined by the policies of your institution on access to official classlists'
7827: );
1.541 raeburn 7828: my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
7829: ' ('.$lt{'adby'}.')';
7830: if ($context eq 'auto') {
7831: $outcome .= $badclass_msg.$linefeed;
1.566 albertel 7832: $outcome .= '<div class="LC_warning">'.$badclass_msg.$linefeed.'<ul>'."\n";
1.541 raeburn 7833: foreach my $item (@badclasses) {
7834: if ($context eq 'auto') {
7835: $outcome .= " - $item\n";
7836: } else {
7837: $outcome .= "<li>$item</li>\n";
7838: }
7839: }
7840: if ($context eq 'auto') {
7841: $outcome .= $linefeed;
7842: } else {
1.566 albertel 7843: $outcome .= "</ul><br /><br /></div>\n";
1.541 raeburn 7844: }
7845: }
1.444 albertel 7846: }
7847: if ($args->{'no_end_date'}) {
7848: $args->{'endaccess'} = 0;
7849: }
7850: $cenv{'internal.autostart'}=$args->{'enrollstart'};
7851: $cenv{'internal.autoend'}=$args->{'enrollend'};
7852: $cenv{'default_enrollment_start_date'}=$args->{'startaccess'};
7853: $cenv{'default_enrollment_end_date'}=$args->{'endaccess'};
7854: if ($args->{'showphotos'}) {
7855: $cenv{'internal.showphotos'}=$args->{'showphotos'};
7856: }
7857: $cenv{'internal.authtype'} = $args->{'authtype'};
7858: $cenv{'internal.autharg'} = $args->{'autharg'};
7859: if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
7860: if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'} eq '') {
1.541 raeburn 7861: my $krb_msg = &mt('As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student');
7862: if ($context eq 'auto') {
7863: $outcome .= $krb_msg;
7864: } else {
1.566 albertel 7865: $outcome .= '<span class="LC_error">'.$krb_msg.'</span>';
1.541 raeburn 7866: }
7867: $outcome .= $linefeed;
1.444 albertel 7868: }
7869: }
7870: if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
7871: if ($args->{'setpolicy'}) {
7872: $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
7873: }
7874: if ($args->{'setcontent'}) {
7875: $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
7876: }
7877: }
7878: if ($args->{'reshome'}) {
7879: $cenv{'reshome'}=$args->{'reshome'}.'/';
7880: $cenv{'reshome'}=~s/\/+$/\//;
7881: }
7882: #
7883: # course has keyed access
7884: #
7885: if ($args->{'setkeys'}) {
7886: $cenv{'keyaccess'}='yes';
7887: }
7888: # if specified, key authority is not course, but user
7889: # only active if keyaccess is yes
7890: if ($args->{'keyauth'}) {
1.487 albertel 7891: my ($user,$domain) = split(':',$args->{'keyauth'});
7892: $user = &LONCAPA::clean_username($user);
7893: $domain = &LONCAPA::clean_username($domain);
1.488 foxr 7894: if ($user ne '' && $domain ne '') {
1.487 albertel 7895: $cenv{'keyauth'}=$user.':'.$domain;
1.444 albertel 7896: }
7897: }
7898:
7899: if ($args->{'disresdis'}) {
7900: $cenv{'pch.roles.denied'}='st';
7901: }
7902: if ($args->{'disablechat'}) {
7903: $cenv{'plc.roles.denied'}='st';
7904: }
7905:
7906: # Record we've not yet viewed the Course Initialization Helper for this
7907: # course
7908: $cenv{'course.helper.not.run'} = 1;
7909: #
7910: # Use new Randomseed
7911: #
7912: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
7913: $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();;
7914: #
7915: # The encryption code and receipt prefix for this course
7916: #
7917: $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999));
7918: $cenv{'internal.encpref'}=100+int(9*rand(99));
7919: #
7920: # By default, use standard grading
7921: if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
7922:
1.541 raeburn 7923: $outcome .= $linefeed.&mt('Setting environment').': '.
7924: &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).$linefeed;
1.444 albertel 7925: #
7926: # Open all assignments
7927: #
7928: if ($args->{'openall'}) {
7929: my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
7930: my %storecontent = ($storeunder => time,
7931: $storeunder.'.type' => 'date_start');
7932:
7933: $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
1.541 raeburn 7934: ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
1.444 albertel 7935: }
7936: #
7937: # Set first page
7938: #
7939: unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank')
7940: || ($cloneid)) {
1.445 albertel 7941: use LONCAPA::map;
1.444 albertel 7942: $outcome .= &mt('Setting first resource').': ';
1.445 albertel 7943:
7944: my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence';
7945: my ($errtext,$fatal)=&LONCAPA::map::mapread($map);
7946:
1.444 albertel 7947: $outcome .= ($fatal?$errtext:'read ok').' - ';
7948: my $title; my $url;
7949: if ($args->{'firstres'} eq 'syl') {
7950: $title='Syllabus';
7951: $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
7952: } else {
7953: $title='Navigate Contents';
7954: $url='/adm/navmaps';
7955: }
1.445 albertel 7956:
7957: $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res';
7958: (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
7959:
7960: if ($errtext) { $fatal=2; }
1.541 raeburn 7961: $outcome .= ($fatal?$errtext:'write ok').$linefeed;
1.444 albertel 7962: }
1.566 albertel 7963:
7964: return (1,$outcome);
1.444 albertel 7965: }
7966:
7967: ############################################################
7968: ############################################################
7969:
1.378 raeburn 7970: sub course_type {
7971: my ($cid) = @_;
7972: if (!defined($cid)) {
7973: $cid = $env{'request.course.id'};
7974: }
1.404 albertel 7975: if (defined($env{'course.'.$cid.'.type'})) {
7976: return $env{'course.'.$cid.'.type'};
1.378 raeburn 7977: } else {
7978: return 'Course';
1.377 raeburn 7979: }
7980: }
1.156 albertel 7981:
1.406 raeburn 7982: sub group_term {
7983: my $crstype = &course_type();
7984: my %names = (
7985: 'Course' => 'group',
7986: 'Group' => 'team',
7987: );
7988: return $names{$crstype};
7989: }
7990:
1.156 albertel 7991: sub icon {
7992: my ($file)=@_;
1.505 albertel 7993: my $curfext = lc((split(/\./,$file))[-1]);
1.168 albertel 7994: my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
1.156 albertel 7995: my $embstyle = &Apache::loncommon::fileembstyle($curfext);
1.168 albertel 7996: if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
7997: if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
7998: $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
7999: $curfext.".gif") {
8000: $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
8001: $curfext.".gif";
8002: }
8003: }
1.249 albertel 8004: return &lonhttpdurl($iconname);
1.154 albertel 8005: }
1.84 albertel 8006:
1.575 albertel 8007: sub lonhttpd_port {
1.215 albertel 8008: my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
8009: if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
1.574 albertel 8010: # IE doesn't like a secure page getting images from a non-secure
8011: # port (when logging we haven't parsed the browser type so default
8012: # back to secure
8013: if ((!exists($env{'browser.type'}) || $env{'browser.type'} eq 'explorer')
8014: && $ENV{'SERVER_PORT'} == 443) {
1.575 albertel 8015: return 443;
8016: }
8017: return $lonhttpd_port;
8018:
8019: }
8020:
8021: sub lonhttpdurl {
8022: my ($url)=@_;
8023:
8024: my $lonhttpd_port = &lonhttpd_port();
8025: if ($lonhttpd_port == 443) {
1.574 albertel 8026: return 'https://'.$ENV{'SERVER_NAME'}.$url;
8027: }
1.215 albertel 8028: return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
8029: }
8030:
1.213 albertel 8031: sub connection_aborted {
8032: my ($r)=@_;
8033: $r->print(" ");$r->rflush();
8034: my $c = $r->connection;
8035: return $c->aborted();
8036: }
8037:
1.221 foxr 8038: # Escapes strings that may have embedded 's that will be put into
1.222 foxr 8039: # strings as 'strings'.
8040: sub escape_single {
1.221 foxr 8041: my ($input) = @_;
1.223 albertel 8042: $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)>
1.221 foxr 8043: $input =~ s/\'/\\\'/g; # Esacpe the 's....
8044: return $input;
8045: }
1.223 albertel 8046:
1.222 foxr 8047: # Same as escape_single, but escape's "'s This
8048: # can be used for "strings"
8049: sub escape_double {
8050: my ($input) = @_;
8051: $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)>
8052: $input =~ s/\"/\\\"/g; # Esacpe the "s....
8053: return $input;
8054: }
1.223 albertel 8055:
1.222 foxr 8056: # Escapes the last element of a full URL.
8057: sub escape_url {
8058: my ($url) = @_;
1.238 raeburn 8059: my @urlslices = split(/\//, $url,-1);
1.369 www 8060: my $lastitem = &escape(pop(@urlslices));
1.223 albertel 8061: return join('/',@urlslices).'/'.$lastitem;
1.222 foxr 8062: }
1.462 albertel 8063:
8064: # -------------------------------------------------------- Initliaze user login
8065: sub init_user_environment {
1.463 albertel 8066: my ($r, $username, $domain, $authhost, $form, $args) = @_;
1.462 albertel 8067: my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
8068:
8069: my $public=($username eq 'public' && $domain eq 'public');
8070:
8071: # See if old ID present, if so, remove
8072:
8073: my ($filename,$cookie,$userroles);
8074: my $now=time;
8075:
8076: if ($public) {
8077: my $max_public=100;
8078: my $oldest;
8079: my $oldest_time=0;
8080: for(my $next=1;$next<=$max_public;$next++) {
8081: if (-e $lonids."/publicuser_$next.id") {
8082: my $mtime=(stat($lonids."/publicuser_$next.id"))[9];
8083: if ($mtime<$oldest_time || !$oldest_time) {
8084: $oldest_time=$mtime;
8085: $oldest=$next;
8086: }
8087: } else {
8088: $cookie="publicuser_$next";
8089: last;
8090: }
8091: }
8092: if (!$cookie) { $cookie="publicuser_$oldest"; }
8093: } else {
1.463 albertel 8094: # if this isn't a robot, kill any existing non-robot sessions
8095: if (!$args->{'robot'}) {
8096: opendir(DIR,$lonids);
8097: while ($filename=readdir(DIR)) {
8098: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
8099: unlink($lonids.'/'.$filename);
8100: }
1.462 albertel 8101: }
1.463 albertel 8102: closedir(DIR);
1.462 albertel 8103: }
8104: # Give them a new cookie
1.463 albertel 8105: my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
8106: : $now);
8107: $cookie="$username\_$id\_$domain\_$authhost";
1.462 albertel 8108:
8109: # Initialize roles
8110:
8111: $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
8112: }
8113: # ------------------------------------ Check browser type and MathML capability
8114:
8115: my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
8116: $clientunicode,$clientos) = &decode_user_agent($r);
8117:
8118: # -------------------------------------- Any accessibility options to remember?
8119: if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) {
8120: foreach my $option ('imagesuppress','appletsuppress',
8121: 'embedsuppress','fontenhance','blackwhite') {
8122: if ($form->{$option} eq 'true') {
8123: &Apache::lonnet::put('environment',{$option => 'on'},
8124: $domain,$username);
8125: } else {
8126: &Apache::lonnet::del('environment',[$option],
8127: $domain,$username);
8128: }
8129: }
8130: }
8131: # ------------------------------------------------------------- Get environment
8132:
8133: my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
8134: my ($tmp) = keys(%userenv);
8135: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
8136: # default remote control to off
8137: if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
8138: } else {
8139: undef(%userenv);
8140: }
8141: if (($userenv{'interface'}) && (!$form->{'interface'})) {
8142: $form->{'interface'}=$userenv{'interface'};
8143: }
8144: $env{'environment.remote'}=$userenv{'remote'};
8145: if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
8146:
8147: # --------------- Do not trust query string to be put directly into environment
8148: foreach my $option ('imagesuppress','appletsuppress',
8149: 'embedsuppress','fontenhance','blackwhite',
8150: 'interface','localpath','localres') {
8151: $form->{$option}=~s/[\n\r\=]//gs;
8152: }
8153: # --------------------------------------------------------- Write first profile
8154:
8155: {
8156: my %initial_env =
8157: ("user.name" => $username,
8158: "user.domain" => $domain,
8159: "user.home" => $authhost,
8160: "browser.type" => $clientbrowser,
8161: "browser.version" => $clientversion,
8162: "browser.mathml" => $clientmathml,
8163: "browser.unicode" => $clientunicode,
8164: "browser.os" => $clientos,
8165: "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
8166: "request.course.fn" => '',
8167: "request.course.uri" => '',
8168: "request.course.sec" => '',
8169: "request.role" => 'cm',
8170: "request.role.adv" => $env{'user.adv'},
8171: "request.host" => $ENV{'REMOTE_ADDR'},);
8172:
8173: if ($form->{'localpath'}) {
8174: $initial_env{"browser.localpath"} = $form->{'localpath'};
8175: $initial_env{"browser.localres"} = $form->{'localres'};
8176: }
8177:
8178: if ($public) {
8179: $initial_env{"environment.remote"} = "off";
8180: }
8181: if ($form->{'interface'}) {
8182: $form->{'interface'}=~s/\W//gs;
8183: $initial_env{"browser.interface"} = $form->{'interface'};
8184: $env{'browser.interface'}=$form->{'interface'};
8185: foreach my $option ('imagesuppress','appletsuppress',
8186: 'embedsuppress','fontenhance','blackwhite') {
8187: if (($form->{$option} eq 'true') ||
8188: ($userenv{$option} eq 'on')) {
8189: $initial_env{"browser.$option"} = "on";
8190: }
8191: }
8192: }
8193:
8194: $env{'user.environment'} = "$lonids/$cookie.id";
8195:
8196: if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
8197: &GDBM_WRCREAT(),0640)) {
8198: &_add_to_env(\%disk_env,\%initial_env);
8199: &_add_to_env(\%disk_env,\%userenv,'environment.');
8200: &_add_to_env(\%disk_env,$userroles);
1.463 albertel 8201: if (ref($args->{'extra_env'})) {
8202: &_add_to_env(\%disk_env,$args->{'extra_env'});
8203: }
1.462 albertel 8204: untie(%disk_env);
8205: } else {
8206: &Apache::lonnet::logthis("<font color=\"blue\">WARNING: ".
8207: 'Could not create environment storage in lonauth: '.$!.'</font>');
8208: return 'error: '.$!;
8209: }
8210: }
8211: $env{'request.role'}='cm';
8212: $env{'request.role.adv'}=$env{'user.adv'};
8213: $env{'browser.type'}=$clientbrowser;
8214:
8215: return $cookie;
8216:
8217: }
8218:
8219: sub _add_to_env {
8220: my ($idf,$env_data,$prefix) = @_;
8221: while (my ($key,$value) = each(%$env_data)) {
8222: $idf->{$prefix.$key} = $value;
8223: $env{$prefix.$key} = $value;
8224: }
8225: }
8226:
8227:
1.41 ng 8228: =pod
8229:
8230: =back
8231:
1.112 bowersj2 8232: =cut
1.41 ng 8233:
1.112 bowersj2 8234: 1;
8235: __END__;
1.41 ng 8236:
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